Rhiannon Corporation has bonds on the market with 17.5 years to maturity, a YTM of 6.4 percent, a par value of $1,000, and a current price of $1,037. The bonds make semiannual payments. What must the coupon rate be on these bonds

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.