Sheffield Corp. produces flash drives for computers, which it sells for $25 each. Each flash drive costs $12 of variable costs fo make. During April, 1000 drives were sold. Fixed costs for April were $1000. How much is the contribution margin ratio? O 56% 60% 44% O 52% How much sales are required to earn a target income of $280000 if total fixed costs are $500000 and the contribution margin ratio is 40%? $1950000 O $1430000 O $1300000 O $700000 For Coronado Industries, sales is $1300000, fixed expenses are $360000, and the contribution margin ratio is 36%. What is net income? $129600 $468000 O $338400 O $108000