please explain

Palatino Linoty... | 10 | A AJAM B I ebe x, x2 Paste As, Paragraph Styles Stephanie's Bridal Shoppe sells wedding dresses. The average selling price of each dress is $1,200, variable costs are $700, and fixed costs are $100,000. How many dresses must the Bridal Shoppe sell to yield after-tax net income of $20,000, assuming the tax rate is 40%? A) 267 dresses B) 240 dresses C) 200 dresses D) 400 dresses