A price-taking barber shop has a fixed cost of 100 and a variable cost equal to 2 q + q 2 , where q is the number of haircuts. Its marginal cost of production is equal to 2 + 2 q . 1. What is the firm's average variable cost function? 2. What is the firm's shutdown price? 3. What is the firm's average total cost function? 4. For what value of q does the ATC curve reach a minimum? ( 5. What is the value of ATC at its minimum? (In other words, what is the lowest possible per-unit production cost?) 6. Suppose the current market price for haircuts is $12 and the shop is therefore making a loss. Should it (temporarily) shut down the business and wait for higher prices