Your company is planning to air a number of television commercials during the ABC Television Network's presentation of the Academy Awards. ABC is charging your company a variable cost of 1,600,000x-30,000x dollars for x 30-second television spots. Additional fixed costs (development and personnel costs) amount to $500,000. (a) Write down the cost function C, marginal cost function C', and average cost function C. C(x) = C'(x) = C(x) = (b) Compute C(3) and C(3). (Round all answers to the nearest $10,000.) C'(3) = dollars per spot C(3) = dollars per spot (c) Fill in the blanks: Since the marginal cost is-Select the average cost per unit, increasing the number of advertising spots up from 3 will cause the average cost per spot to-Select-