Southern California Chemical Company manufactures two industrial chemical products, called kreolite-red and kreolite-blue. Two machines are used in the process, and each machine has 24 hours of capacity per day. The following data are available: Page 651 Kreolite-Red Kreolite-Blue Selling price per drum Variable cost per drum $36 $42 $28 $28 Hours required per drum on machine I 2 hr 2 hr Hours required per drum on machine II 1 hr 3 hr The company can produce and sell partially full drums of each chemical. For example, a half drum of kreolite-red sells for $18. Required: 1. Formulate the product-mix problem as a linear program. 2. Solve the problem graphically.