O Question Help Rubium Micro Devices currently manufactures a bassembly for main product. The couts per unit was follows: Direct mais $49 Direct labor 45 Variable overhead 33 Faed overhead Total costs $150 Crayol Technologies inc. has contacted Rubium with an offer to sell 8.000 of the assemblies for $143 each Run wil limite 301.000 af fed overhead to the proposal Should Rubium make or buy the subassemble? What is the difference between the two wtematives? OA Buy, savings $1.000 OB. Make savings $210.000 OC. Mwavings - $37.000 OD. Buying $141,000 Click to your