X Company is planning to stop the production and sale of Product Q, which lost $12,000 last year. If Product Q is dropped, two things will happen in each of the next four years: 1) last year's loss will be avoided, and 2) sales of Product R will be increased, contributing $12,000 to annual profits. In addition, if Product Q is dropped, the company will be able to sell some equipment immediately for $17,000. Assuming a discount rate of 4%, what is the net present value of stopping the production and sale of Product Q?

X Company is planning to stop the production and sale of Product Q, which lost $8,000 last year. If Product Q is dropped, two things will happen in each of the next three years: 1) last year's loss will be avoided, and 2) sales of Product R will be increased, contributing $10,000 to annual profits. In addition, if Product Q is dropped, the company will be able to sell some equipment immediately for $14,000. Assuming a discount rate of 4%, what is the net present value of stopping the production and sale of Product Q?

Software Inc. is considering a replacement of its air conditioner system. The company has two systems to choose:
-   Matsu-Cool models cost $40,000 to purchase, result in electricity bills of $15,000 per year, and last for 5 years.
-   Tuba-Air models cost $60,000 to purchase, result in electricity bills of $10,000 per year, and last for 7 years.
Both systems are fully depreciated straight line. Assume that the company will replace the air conditioner when it wears out. The tax rate is 40%. The discount rate is 15%.
Which model should the company choose? Why?
(Excel format)

1) If a firm lowers the price of its product and as a result total revenue falls, we can conclude that

1. the product's price is above the midpoint of its demand curve
2. other things constant, the firm's profits will increase
3. a demand is elastic in this price range
4. the product is inferior goods
5. demand is inelastic in this price range

2) According to Table below, what is the price elasticity of demand (using Midpoint method) when price rises from $8.50 to $9?

1. 1.26
2. 15/35
3. -1.26
4. 7/3
5. -2.058

3) According to Table below, what is the price elasticity of demand if price falls from $8.50 to $8.00? (Use % change equation only)

1. -17/9
2. -17/8
3. 17/8
4. 9/17
5. 17/9

4) According to Table below, Michelle's utility schedule is characterized by

1. diminishing total utility
2. constant marginal utility
3. total utility that increases at a decreasing rate
4. increasing marginal utility
5. exponential marginal utility

Exercise 2: A new IS project has been proposed that is expected to produce not only cost savings but also an increase in revenue. The initial capital cost to establish the system is estimated to be $500,000. The remaining cash flow data is presented in Table 2.10. Using a spreadsheet program, calculate the payback period, internal rate of return, and net present value for this project. Assume that the cost of capital is 7% and the effective tax rate is 40% How would the payback, internal rate of return, and net present value change if the capital cost for the project was $750,000 and the cost saving and increased revenue were decreased by 25% each year. Table:(1 2 3 4 5 6) = years Capital 500,000 Incresed Revenue $50 $75 $100 $115 $130 Cost Savings 110 125 125 125 125 Depreciation expense 150 125 100 75 50 Operating and maintenance epanse 75 50 50 50 50 all amounts are in hundreds and thousands Years are 2-6 values. Year 1 is starting with 500,000.

For one of the final projects, you will individually or in partners demonstrate that you can connect statistics topics in a short but coherent presentation. Your project's data set will need at least four variables - at least two categorical and at least two quantitative. For example, you might consider the following variables for American participants in a survey: birth month (categorical), state of birth (categorical), average number of bowls of cereal eaten per week (quantitative), and amount spent on groceries (quantitative).

(a) First, formulate a research question relating to two of your quantitative variables along the lines of "how does *quantitative variable 1* relate to *quantitative variable 2*?" For example, you might ask "Does the average height for students relate to the average number of hours slept by students?" Include the question in your Word document.

(b) Create a least-squares regression line that answers the research question posed in part (a). Your answer here will be graded on the following: (i) an appropriate scatterplot related to the two variables (ii) correlation coefficient "r" and coefficient of determination "r²" between the two variables, (iii) a determination of whether the correlation coefficient is significant and (iv) whether your line is correct (with slope and intercept) based on the data provided!

SIX quick question! thankyou SO MUCH

1.

A plastic rod, initially uncharged, is rubbed with wool that is also uncharged and obtains a charge of -10 C. What is the charge on the wool after rubbing?

2.

You observe a vibrating string that is anchored between two walls to have seven modes. How many antinodes does the string have?

3

What is alike when the term "two like charges" is used?

4

How do two differently signed charges interact?

5Two sources produce identical sound waves. If one of the sources produced sound that is completely out of phase with the other, what would be the beat frequency you hear?

6

For an infinite sheet of positive charge, the electric field lines:

A person’s muscle mass is expected to be associated with age. Some people also thought exercise time would be associated with the muscle mass. To explore the potential relationships between muscle mass and age, muscle mass and exercise time, a nutritionist randomly selected 20 women from a population of women with age ranging from 40 to 80 years old, and measured their muscle mass (a score without unit) and exercise time (hours per month)

What do the two regression parameters (b0 and b1) mean?