Policy a policy b a company is considering two insurance plans with coverage and premiums shown it needs at least $300,000 fire and theft insurance and at least $4,200,000 liability coverage fire/theft $10,000 $15,000 liability $180,000 $120,000 premium $50/unit $40/unit how many units should be purchased to minimize the cost of the premium and what is the minimum premium? the company should purchaseunits of policy a andunits of policy b, for a premium of s