Mighty Safe Fire Alarm is currently buying 58,000 motherboards from MotherBoard, Inc., at a price of $63 per board. Mighty Safe is considering making its own boards. The costs to make the board are as follows: direct materials, $29 per unit; direct labor, $10 per unit; and variable factory overhead, $15 per unit. Fixed costs for the plant would increase by $81,000. Which option should be selected and why