discuss the academic applications of memory models and try to apply the principles to yourself.
Using Baddeley’s working memory model, give an example of two tasks that could successfully be performed simultaneously (For example, can you listen to music while studying at the same time?). Discuss two other tasks that probably would interfere with each other. Make sure to discuss your answers in terms of the visuospatial scratchpad, the phonological loop, and the central executive.

Shauna Coleman is single. She is employed as an architectural designer for Streamline Design (SD). Shauna wanted to determine her taxable income for this year. She correctly calculated her AGI. However, she wasn’t sure how to compute the rest of her taxable income. She provided the following information with hopes that you could use it to determine her taxable income.

1. Shauna paid $4,680 for medical expenses for care related to a broken ankle. Also, Shauna’s boyfriend, Blake, drove Shauna (in her car) a total of 115 miles to the doctor’s office so she could receive care for her broken ankle.
2. Shauna paid a total of $3,400 in health insurance premiums during the year (not through an exchange). SD did not reimburse any of this expense. Besides the health insurance premiums and the medical expenses for her broken ankle, Shauna had Lasik eye surgery last year and paid $3,000 for the surgery (she received no insurance reimbursement). She also incurred $450 of other medical expenses for the year.
3. SD withheld $1,800 of state income tax, $7,495 of Social Security tax, and $14,500 of federal income tax from Shauna’s paychecks throughout the year.
4. In 2019, Shauna was due a refund of $250 for overpaying her 2018 state taxes. On her 2018 state tax return that she filed in April of 2019, she applied the overpayment toward her 2019 state tax liability. She estimated that her state tax liability for 2019 will be $2,300.
5. Shauna paid $3,200 of property taxes on her personal residence. She also paid $500 to the developer of her subdivision, because he had to replace the sidewalk in certain areas of the subdivision.
6. Shauna paid a $200 property tax based on the state’s estimate of the value of her car.
7. Shauna has a home mortgage loan in the amount of $220,000 that she secured when she purchased her home. The home is worth about $400,000. Shauna paid interest of $12,300 on the loan this year.
8. Shauna made several charitable contributions throughout the year. She contributed stock in ZYX Corp. to the Red Cross. On the date of the contribution, the fair market value of the donated shares was $1,000 and her basis in the shares was $400. Shauna originally bought the ZYX Corp. stock in 2009. Shauna also contributed $300 cash to State University and religious artifacts she has held for several years to her church. The artifacts were valued at $500 and Shauna’s basis in the items was $300. Shauna had every reason to believe the church would keep them on display indefinitely. Shauna also drove 200 miles doing church-related errands for her minister. Finally, Shauna contributed $1,200 of services to her church last year.
9. Shauna paid $250 in investment advisory fees and another $150 to have her tax return prepared (that is, she paid $150 in 2019 to have her 2018 tax return prepared).
10. Shauna is involved in horse racing as a hobby. During the year, she won $2,500 in prize money and incurred $10,000 in expenses. She has never had a profitable year with her horse-racing activities, so she acknowledges that this is a hobby for federal income tax purposes.
11. Shauna sustained $2,000 in gambling losses over the year (mostly horse-racing bets) and had only $200 in winnings.

b. Assume Shauna’s AGI is $207,000. Determine Shauna’s taxable income.

Question One (Total mark: 11 marks, word limit: 900 words)

Jordan Fit is a leading shoe retailer in the UK. During the last two years Jordan Fit has experienced considerable financial pressures: its performance has been declining, along with its share price. The accountants of the company have been ordered by their executives to review various aspects of their business and recommend some fundamental changes to improve the company’s financial performance.

One area of the business that has become very costly is holding stocks of saleable products in the stores. Storage and handling of stock is identified as an expensive operation for Jordan Fit. The accountants want this aspect of the business to be better controlled than it has been to date.

            As a new and more immediate mechanism for control within the business, the accountants decide to introduce a charge into the profit statements of individual stores. Every store has its own profit statement which broadly speaking records revenues and costs attributable to that store. These are internal management reports, compiled by the management accountants, and constituting an important part of how executive and divisional managers assess store performance over time. Importantly, the senior managers in each store, including the store manager, have a significant proportion of their salary and annual bonus based on a percentage of their store’s net profit figure. The new charge is to be based on the amount of stocks being held on average, over a year, by a particular store. The higher the average stocks held, the higher the charge in a store’s profit statement and, consequently, the lower the net profit. All other employees of a store (retail assistants, administrators and storeroom staff) also receive an annual ‘Christmas bonus’ that is calculated in relation to their store’s net profitability.

The accountants will implement the changes to stores’ reporting within two months, in time for the start of the new financial year. The changes, approved recently by majority vote at executive level, will be ‘sold’ to employees mostly via memos and email on the basis that the organization is facing a serious crisis, costs must be cut drastically, and that the introduction of a charge for holding stocks in stores was a sensible way to improve control over this particular element of business costs. No further consultation was planned, and the accountants intended to run brief training courses for their store managers, at which the technicalities of calculating the new charges for stock-holding (but not much else) would be explained.

Required:

You are a senior management accountant in Jordan Fit, although you are not actually leading this particular change programme. You have serious reservations about what is being proposed. Write a memo to the CFO of Jordan Fit explaining the reasons why you have serious reservations about the proposed changes, and describe alternative options (not just accounting related) that might be considered during this extremely testing time for the organization.

Consider the potential well defined by

V(x)= {0 -L/2<x<L/2}

{Vo x>L/2 or x<L/2}

1. For E>Vo (unbound state, find the solutions to the time-independent Schroedinger equation for a particle incident from the left and traveling to the right(Use boundary conditions to evaluate coefficients A-F)

2. Find expressions for the transmission and reflection as a function of energy.

3. Find the necessary conditions for perfect transmission. Interpret this condition on physical grounds (note that k=2pi/gamma, which reflects the wave vector ,k, to the wavelength).

7.11 Consider two cases involving parallel flow of dry air at V = 1 m/s, T_∞ = 45°C, and atmospheric pressure over an isothermal plate at T_s = 20°C. In the first case, Re_x,c = 5 × 10⁵, while in the second case the flow is tripped to a turbulent state at x = 0 m. At what x‐location are the thermal boundary layer thicknesses of the two cases equal? What are the local heat fluxes at this location for the two cases?

Answer: x=.142; q”_lam = -129 W/m²;  q”_turb = -175 W/m²

Shows a new process in which 0.0100 kg of methane (an ideal gas) is compressed from a pressure of 0.100 MPa and a temperature of 20.0 °C to a pressure of 10.0 MPa in a polytropic process with n = 1.35. Determine the moving boundary work required.

Determine the work required in Example 4.5 if the final pressure of the methane is 0.500 MPa.

If the work required in Example 4.5 is ?5.00 kJ, determine the final temperature and pressure of the methane.

If the gas used in Example 4.5 were air, determine the work required to compress it polytropically from 14.7 psia, 70.0°F to 150.°F with n = 1.33.

1. The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If θ_c= 40.1° what is the index of refraction of the material?

2. A light ray strikes this material (from air) at an angle of 35.5° with respect to the normal of the surface. Calculate the angle of the reflected ray (in degrees).

3. Calculate the angle of the refracted ray (in degrees).

4. Assume now that the light ray exits the material. It strikes the material-air boundary at an angle of 35.5° with respect to the normal. What is the angle of the refracted ray?

A maximal plane graph is a plane graph G = (V, E) with n ≥ 3 vertices such that if we join any two non-adjacent vertices in G, we obtain a non-plane graph.

a) Draw a maximal plane graphs on six vertices.

b) Show that a maximal plane graph on n points has 3n − 6 edges and 2n − 4 faces.

c) A triangulation of an n-gon is a plane graph whose infinite face boundary is a convex n-gon and all of whose other faces are triangles. How many edges does a triangulation of an n-gon have?