a company produces 1, 2 and 3 and can sell these products in unlimited quantities at the following unit price: 1, $10; 2, $56; 3, $100. producting a unit of 1 requires 1 hour of labor; a unit of 2, 2 hour of labor plus 2 unit of 1; and a unit of 3 3 hour of labor plus 1 unit of 2. any 1 that is used of 3