Suppose people cannot tell for sure whether they will fall ill in any given year. High-risk people correctly perceive their chance of falling ill in a year is 30 percent, and low-risk people correctly perceive that their chance of falling ill is 10 percent. Both high-risk and low-risk people have to pay $10,000 in medical expenses if they fall ill, and nothing if they remain healthy. Required:
a. What are the expected annual medical expenses of a high-risk person?
b. What are the expected annual medical expenses of a low-risk person?

Anew firm is developing its business plan. it will require $615,000 of assets, and it projects $450,000 of sales and $355,000 of operating costs for the first year. management is reasonably sure of these numbers because of contracts with its customers and suppliers. it can borrow at a rate of 7.5%, but the bank requires it to have a tie of at least 4.0, and if the tie falls below this level the bank will call in the loan and the firm will go bankrupt. what is the maximum debt ratio the firm can use? (hint: find the maximum dollars of interest, then the debt that produces that interest, and then the related debt ratio.)a. 41.94%b. 44.15%c. 46.47%d. 48.92%e. 51.49%