A company is considering two insurance plans with coverage and premiums shown in the table. (For example, this means that $50 buys one unit of plan A, consisting of $10,000 fire and theft insurance and $180,000 of liability insurance.) Answer parts a and b. Fire/Theft Liability Premium Policy A $10,000 $180,000 $50 Policy B $15,000 $120,000 $40 a. The company needs at least $450,000 fire and theft insurance and at least $5,400,000 liability from these plans. How many units should be purchased from each plan to minimize the cost of the premiums? What is the minimum premium