Q1. Hybrid cars are generally considered as environment friendly solution for rising petrol prices across the globe. People prefer hybrid cars due their decreased dependence on petrol. Assume a market for hybrid cars. Identify which of the determinants of supply or demand are effected in each of the following situations. Indicate the increase or decrease in supply or demand. Draw a supply and demand diagram and show the effect on equilibrium price and quantity of the hybrid cars.

a) Government endorses a research that portrays hybrid cars as the best option available for better environment.
b) Price of petrol falls
c) Price of electric cars falls
d) COVID-19 pandemic induces recession that lowers people’s wealth
e) Students from NED University of engineering and technology develop a faster and cheaper production technology to produce hybrid cars

The sch of technology, art, and design STAD is considering buying a package machine for its Engineering Technology program. it is expected that this machine will generate a revenue for the school through several projects and partnership with local companies. it is estimated that the net profit in the first year will be $75000 and decreasing at the rate of $10000 for the next five years after that profit stays constant at $7000 until the end of its time life (10 years). if interest rate is 10%, determine the amount of money that the STAD can invest on this machine.
assume there is no salvage value of the machine.
b)determine the equivalent annual for the following cash flow:
year 0-------0
year 1-------$200,000
year 2-------$180,000
year 3-------$160,000
year 4-------$140,000
year 5-------$120,000
year 6-------$100,000
year 7-------$80,000
year8-------$60,000

1.      Provide an overview of the systems design phase.

2.      Explain Apple’s view of user interface design, especially for apps.

3.      Describe the habits of successful interface designers.

4.      List the eight main guidelines for user interface design. How would you rank them in order of importance? Explain your answer.

5.      How has input technology changed in recent years? Provide examples of traditional, evolving, and emerging input technology.

6.      What are input masks? What are validation rules? Why are they important?

7.      What is the difference between a detail report, a summary report, and an exception report?

8.      What are the main principles of source document design?

9.      Provide suggestions for reducing input volume.

10.   Describe modular design, and explain the two main prototyping methods.

Social media, commonly thought of as digital technology, offer a way for marketers to communicate one-on-one with consumers and measure the effects of those interactions. Social media include social networks, microblogs, and media sharing sites, all of which are used by the majority of adults. Smartphones and tablet computers have given consumers greater freedom to access social media on the go, which is likely to increase usage of social media sites. Many advertising budgets are allotting more money to online marketing, including social media, mobile marketing, and search marketing. Describe the social media tools in a marketer’s toolbox and how they are useful. Also, describe the impact of mobile technology on social media.

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A cylinder rolls up a hill, turns around, and starts rolling back down the hill. State the signs (+/-/0) of the angular acceleration and angular velocity at 3 points - one on the way up, one at the peak, and one on the way down. Briefly state your reasoning.

once vanillin has reacted with NaOH and NaBH4, why can you only add enough HCl to make the pH go down to 6? what would occur mechanistically if enough HCl (too much) was added to make the pH go down to 1?

Which of the following might suggest that a topic or point in a lecture is important. Check all that apply?

A) A fellow classmate writes it down.

B) The instructor writes it on the board.

C) It’s the funniest thing in the lecture.

D) The instructor looks down at her notes before saying it.

Assume that the (annual) interest rate is 2% (continuous compounding), the stock has a volatility of 60%, there is 1 year until expiration of the contract, and the underlying stock is currently traded at $50 in the market. For a call struck at $55, use the Black-Scholes formula to calculate

(a) the value of the call,

(b) the delta and vega of the call. Based on the delta and vega calculated above,

(c) approximately how much does the value of the call go or down if the underlying goes up $1?

(d) approximately how much does the value of the call go or down if the volatility goes down by 2%?

What situation below best describes a situation where the sum of forces acting on an object add up to be zero?

What situation below best describes a situation where the sum of forces acting on an object add up to be zero?

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