What level of revenue is needed to yield an after-tax income equal to 20 percent of sales?

(CVP; taxes) Golf Glider makes gasoline-powered golf carts. The selling price is $5,000 each, and costs are as follows:

Cost	Per Unit	Total
Direct material	$2,000
Direct labor	625
Variable overhead	325
Variable selling	50
Annual fixed production overhead		$250,000
Annual fixed selling and administrative		120,000

Golf Glider’s income is taxed at a 40 percent rate.

a. How many golf carts must Golf Glider sell to earn $600,000 after tax?

b. What level of revenue is needed to yield an after-tax income equal to 20 percent of sales?