plz answer this question quick (will like up c:)

If fixed costs are $1,427,000, the unit selling price is $228, and the unit variable costs are 5127, the break-even sales (units) if fixed costs are incremed by 547.600 15 O a. 21.900 units Ob. 17,520 units Oc 11,680 units Od. 14,600 units