Smith Company leased equipment from FirstLease Corp. The cost of the equipment to FirstLease was $500,000. The present value of the expected residual value is $40,000. The lease includes six annual payments beginning on the first day of the lease. If the six lease payments are of an equal amount, what payment amount would provide FirstLease Corp with a return of 10%

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.