cruise company produces a part that is used in the manufacture of one of its products. the unit manufacturing costs of this part, assuming a production level of 6,000 units, are as follows: assume cruise company can purchase 6,000 units of the part from suri company for $14.00 each, and the facilities currently used to make the part could be used to manufacture 6,000 units of another product that would have an $8 per unit contribution margin. if no additional fixed costs would be incurred, what should cruise company do? group of answer choices make the new product and buy the part to earn an extra $5.00 per unit contribution to profit. make the new product and buy the part to earn an extra $6.00 per unit contribution to profit. continue to make the part to earn an extra $2.00 per unit contribution to profit. continue to make the part to earn an extra $4.00 per unit contribution to profit.