7 Eli Daisy uses chemicals 1 and 2 to produce two drugs.

Drug 1 must be at least 70% chemical 1, and drug 2 must be at least 60% chemical 2. Up to 40 oz of drug 1 can be sold at $6 per oz; up to 30 oz of drug 2 can be sold at $5 per oz. Up to 45 oz of chemical 1 can be purchased at $6 per oz, and up to 40 oz of chemical 2 can be purchased at

$4 per oz. Formulate an LP that can be used to maximize Daisy’s profits.