Calculating the price elasticity of supply

Jake is a retired teacher who lives in New York City and does some consulting work for extra cash. At a wage of $50 per hour, he is willing to work 7 hours per week. At $65 per hour, he is willing to work 10 hours per week.

Using the midpoint method, the elasticity of Jake’s labor supply between the wages of $50 and $65 per hour is approximately ___ , which means that Jake’s supply of labor over this wage range is ___ .

While on vacation in las vegas jennifer, who is from utah, wins a progressive jackpot playing cards worth $15,875 at the casino royale. what implication does she encounter when she goes to collect her prize?

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)

Beranek corp has $720,000 of assets, and it uses no debt--it is financed only with common equity. the new cfo wants to employ enough debt to raise the debt/assets ratio to 40%, using the proceeds from borrowing to buy back common stock at its book value. how much must the firm borrow to achieve the target debt ratio? a. $273,600b. $288,000c. $302,400d. $317,520e. $333,396