Eli Daisy uses chemicals 1 and 2 to produce two drugs. Drug A must be at least 70% chemical 1 and drug B must be at least 60% chemical 2. Up to 40 oz. of drug A can be sold at $6 per oz; up to 30 oz. of drug B 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 and solve (using excel) an LP to maximize Daisy's profits.