Epsilon currently pays $72 per unit to buy a part for a product it sells Epsilon has excess capacity, and estimates that making the part would incur variable costs of $8 for direct materials and $36 for direct labor. Epsilon's normal predetermined overhead rate is 150% of direct labor cost, but management computes an incremental overhead rate of $14.40 per unit to make this part Epsilon should choose to Multiple Choice Make since the relevant cost to buy it is $86.40 per unit Make since the relevant cou to make its $56.40 per unit Buy since the relevant cost to make it is $80 per unit. Buy since the relevant cost to make it more than 572,00 per unit