A company has fixed costs of $3,000. Producing 450 items incurrs a total cost of $39,000. (a) Find the total cost function, C (x) = (3000+39000) (b) What is this company's marginal cost? MC = Number (c) What is the company's average cost of producing 381 items? C (381) = $ Number /item (round round to two decimal places)

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