The 7-year $1 comma 000 par bonds of Vail Inc. pay 9 percent interest. The market's required yield to maturity on a comparable-risk bond is 7 percent. The current market price for the bond is $ 1 comma 100. a. Determine the yield to maturity. b. What is the value of the bonds to you given the yield to maturity on a comparable-risk bond? c. Should you purchase the bond at the current market price?

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.