Answer both for thumbs up, please

Stryker Industries recelved an offer from an exporter for 28,000 units of product at $16 per unit. The acceptance of the offer will not affect normal production or domestic sales prices. The following data are available: The differential cost from the acceptance of the offer is 5790.000 b. 5242,000 c. 5448,000 d. 5140,000 Mighty Safe Fire Alarm is currently buying 62,000 motherboards from MotherBaard, Inc., at a price of s66 per board. Mighty Safe is considering making its own boards. The costs to make the board are as follows: direct materials, $33 per unit; direct labor, 59 per unit; and variable factory overhead, $15 per unit. Fixed costs for the plant would increase by 585,000 . Which option should be seiected and why? a. make, 5473,060 iscrese in pratis b. bey, 545,000 increase is profta c. mike, 5558,000 incraice in profits a. buy, 5473,060 incrrase in profite