Factor Co. can produce a unit of product for the following costs: Direct material $7.10 Direct labor 23.10 Overhead 35.50 Total costs per unit $65.70 An outside supplier offers to provide Factor with all the units it needs at $38.85 per unit. If Factor buys from the supplier, the company will still incur 70% of its overhead. Factor should choose to: Buy since the relevant cost to make it is $30.20. Buy since the relevant cost to make it is $40.85. Make since the relevant cost to make it is $40.85. Buy since the relevant cost to make it is $55.05. Make since the relevant cost to make it is $30.20.