(consider this) if the law of diminishing returns applies to study time:

a. the 10thhour of study will likely be less productive than the 3rd.
b. this implies that longer lectures are less productive than shorter ones.
c. there is no benefit to studying a subject more than 5 hours in any given day.
d. people with less intelligence necessarily experience diminishing returns sooner than those with greater intelligence

Abenefit of using a debit or credit card instead of cash is that it provides a paper record of a purchase. looking at the purchases below, which one should be made using a credit or a debit card?

King fisher aviation is evaluating an investment project with the following case flows: $6,000 $5,500 $7,000 $8,000 discount rate 14 percent what is the discounted payback period for these cash flows if the initial cost is 15,000? what if the initial cost is $12,000? what if the cost is $16,000?

Granby foods' (gf) balance sheet shows a total of $25 million long-term debt with a coupon rate of 8.50%. the yield to maturity on this debt is 8.00%, and the debt has a total current market value of $27 million. the company has 10 million shares of stock, and the stock has a book value per share of $5.00. the current stock price is $20.00 per share, and stockholders' required rate of return, r s, is 12.25%. the company recently decided that its target capital structure should have 35% debt, with the balance being common equity. the tax rate is 40%. calculate waccs based on book, market, and target capital structures. what is the sum of these three waccs?