A monopolist's total revenue and total cost functions are

TR(Q)=PQ=20Q-3Q²

Determine the output level that will maximize profit.

Determine maximum profit

Determine the price per unit at which the profit-maximizing output is sold.

Explain the difference between the law of diminishing marginal product and decreasing returns to scale

Following a price change for diet coke, explain how retailer use sales information to learn if Doritos snack chips represent a complement or substitute for diet coke.