Consider the situation where one IOLab device rolls into another stationary IOlab device and they stick together and they roll off together. When answering the following questions, answer them specifically for this situation.

How could you calculate the total momentum before the collision?      

How could you calculate the total momentum after the collision?      

How could you calculate the total kinetic energy before the collision?      

How could you calculate the total kinetic energy after the collision?      

(Extra information: the IOLab device can generate both Force/Time graphs and Velocity/ Time graphs)

Answer the following​ questions:

a.  Calculate the ​before-tax cost of the Sony bond using the​ bond's yield to maturity​ (YTM).

b.  Calculate the ​after-tax cost of the Sony bond given the corporate tax rate.

a.  The before-tax cost of the Sony bond using the​ bond's yield to maturity​ (YTM) is ???%.

​(Round to two decimal​ places.)

b.  The after-tax cost of the Sony bond given the corporate tax rate is ???%

​(Round to two decimal​ places.)

An economist is interested in whether the level of the minimum wage affects employment. In order to study this issue they got data from a random sample of 322 New Jersey fast food restaurants before and after an increase in the NJ minimum wage from $4.25 to $5.05 per hour. The change in full time equivalent employees per restaurant in the sample before and after the increase was 0.80 with a variance of 77.5. Must not be done using excel.

1. Test whether this suggests the increase in the minimum wage had an effect on employment.
2. What statistical errors might have been made?
3. Why might this not answer the question?

QUESTION 43

1. How many of the following statements is/are true?

Statement 1: An increase in the market YTM after a bond is purchased but before the first coupon date will lead to a realized return equal to the YTM of the bond when the bond was purchased for a buy-and-investor.

Statement 2: A decrease in the market YTM after a bond is purchased but before the first coupon date will lead to a realized return equal to the YTM of the bond when the bond was purchased for a buy-and-investor.

Statement 3: A floating rate bond earns a rate of return equal to the YTM of the bond when it was purchased.

Consider the market for airline tickets. For the purpose of answering this question, suppose the airlines are perfectly competitive. Demand for airline tickets is given by Qd=3600-1000P and supply is given by Qs=500P Draw a diagram of this market, where the horizontal axis is total miles flown in a year, and the vertical axis is price per mile. Show the effect on this market of providing a subsidy of $1 a mile on the producer. Label the diagram and identify the areas on the diagram that correspond to: total producer surplus before and after the subsidy; consumer surplus before and after the subsidy; cost of the subsidy; total dead weight loss caused by the subsidy.

Is the interval [-4, 7) open, closed, half–open, or unbounded?

Discuss (in detail) the advantages and disadvantages of open and closed-ended questions.

Homework #3 - Accounts Receivable

Bey Technologies is considering changing its credit terms from 2/ 15, net 30 to 3/ 10, net 30 to speed collections. Currently, 40 percent of Bey’s paying customers take the 2 percent discount. Under the new terms, discount customers are expected to rise to 50 percent. Regardless of the credit terms, half of the customers who do not take the discount are expected to pay on time, whereas the remainder will pay 10 days late. The change does not involve a relaxation of credit standards; therefore, bad debt losses are not expected to rise above their current 2 percent level. However, the more generous cash discount terms are expected to increase sales from $ 2 million to $ 2.6 million per year. Beys variable cost ratio is 75 percent, the interest rate on funds invested in accounts receivable is 9 percent, and the firms marginal tax rate is 40 percent. All costs associated with production and credit sales are paid on the day of the sale.

a. What is the days sales outstanding before and after the change?

b. Calculate the costs of the discounts taken before and after the change.

c. Calculate the bad debt losses before and after the change.

d. Calculate the financing costs before and after the change.

e. Now put your information above into an Income Statement. Compare the results. Should Bey change its credit terms? Explain.