I just need part b

Multiproduct Green Rider makes three types of electric scooters. The company's total fixed cost is $1,728,000,000. Selling prices, variable cost, and sales percentages for each type of scooter follow: Selling Price Variable Cost Percent of Total Unit Sales Mod $2,200 $1,900 Rad 3,700 3,000 50 X-treme 6,000 5,000 20 30 b. If the company has an after-tax income goal of $2 billion and the tax rate is 50 percent, how many units of each type of scooter must be sold for the goal to be reached at the current sales mix? Units Mod Rad 1,278,750 x $ 2,131,250 x 852,500 x 4,262,500 * $ Dollars 2,813,250,00 X 7,885,625,000 x 5,115,000,000 x 15,813,875,0 x X-treme Total