You run a game-day shuttle service for parking services for the local ball club. Your total costs for different customer loads are 0: $27, 1: $30, 2: $32, 3: $35, 4: $38, 5: $42, 6: $48, 7: $57, and 8: $68. a. For each customer load level beginning with 1, what is your average total cost? b. For each customer load level beginning with 1, what is your marginal cost? c. If you are compensated $9 per ride, what customer load would you want