4- A patient takes vitamin pills. Each day he must have at least 180 IU of vitamin A, 3 mg of vitamin B1, and 60 mg of vitamin C. He can choose between pill 1, which contains 120 IU of vitamin A, 1 mg...

Extracted text: 4- A patient takes vitamin pills. Each day he must have at least 180 IU of vitamin A, 3 mg of vitamin B1, and 60 mg of vitamin C. He can choose between pill 1, which contains 120 IU of vitamin A, 1 mg of vitaminB1, and 10 mg of vitamin C, and pill 2, which contains 30 IU of vitamin A, 1 mg of vitamin B1, and 40 mg of vitamin C. Pill 1 costs 10¢, and pill 2 costs 30¢. Complete parts a and b below. a. How many of each pill should he buy in order to minimize his cost? What is the minimum cost? Lle obould buy of nill 1 and of pill 2. The minimum cost is $.