Hack’s berries faces a short-run total cost of production given by tc = q 3 – 12 q 2 + 100q + 1,000, where q is the number of crates of berries produced per day. hack’s marginal cost of producing berries is 3 q 2 – 24q + 100. a. what is the level of hack’s fixed cost? b. what is hack’s short-run average variable cost of producing berries? c. if berries sell for $60 per crate, how many berries should hack produce? how do you know? (hint: you may want to remember the relationship between mc and avc when avc is at its minimum.) d. if the price of berries is $79 per crate, how many berries should hack produce? explain