Factor Co. can produce a unit of product for the following costs: Direct material Direct labor Overhead Total product cost per unit $ 7.60 23.60 38.00 $69.20 An outside supplier offers to provide Factor with all the units it needs at $42.50 per unit. If Factor buys from the supplier, the company will still incur 65% of its overhead. Factor should choose to: Buy since the relevant cost to make it is $55.90. Make since the relevant cost to make it is $44.50. C) Buy since the relevant cost to make it is $44.50. Make since the relevant cost to make it is $31.20. Buy since the relevant cost to make it is $31.20