Best Birdies produces ornate birdcages. The company's average cost per unit is $22 when it produces 2,700 birdcages. If $5,700 of the costs are fixed, and the plant manager uses the cost equation to predict total costs, his forecast for 3,500 birdcages will be (round calculations to two decimal places) A) $77,000 B) $17,600 C) $59,400 D) $75,315