compute the missing amounts for the following table. (enter the contribution margin ratio to nearestpercent, x%.) sales price per unit a.1400 b.4600 c. 1600 variable costs per unit a.700 b. 2760 c. 800 total fixed costs a. 273,000 b. 828,000 c. 640,000 target profit a. 630,000 b. 27,6000,000 c. 680,000 calculate: contribution margin per unit ______ ______ ______ cotribution margin ratio _____% _____%_____% required units to break even _____ _____ _____ required sales dollars to break even _____ _____ _____