Mighty Safe Fire Alarm is currenty buying 61,000 motherboards from MotherBoard, Inc., at a price of $64 per board. Mighty 5 afe is considering making its own boards. The costs to make the board are as follows: direct materials, $33 per unit; direct labor, $11 per unit; and variable factory overhead, $17 per unit. Fixed costs for the plant would increase by $73,000. Which option shouid be selected and why? a. make, 5109,800 increase in profits b. bry, 571,000 increase in profis c. buy, 5109,800 increase in profis d. make, 5181,000 incrase is ptefls