1 The price demand function of a company that manufactures vats a large tank or tub used to hold liquid p x 5x 600 a Find the revenue function R x b The company s fixed monthly cost is 1563 and each unit of vats costs 10 Write the cost function C x where x represents the number of packets of vats produced c Find the profit function P x d How many vats must be produced and sold in order to maximize profit e What is the maximum profit f What price must the company charge in order to W