On the first day of its fiscal year, Scooter Co. purchased a computer system for a total cost of $50,000. The computer system is expected to have a useful life of 5 years with a residual value of $5,000. If the company uses the double-declining-balance method, its depreciation expense for the computer system in the first year will be:

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.