Hi I need help with the working out with this question

ca2ah 5.7-24 Harvey Cricket Bats Company sells two types of bat, Superdrive and Excalibre. Superdrive Excalibre Total Selling price $40 $50 Variable cost per unit $24 $40 Total fixed costs $840 000 Harvey Cricket Bats sells two units of Superdrive for each unit it sells of Excalibre. If Harvey Cricket Bats has a tax rate of 30% and desires a net after-tax profit of $73 500, the sales units that would achieve the target profit would be: Select one: A. 43 500 units of Superdrive and 21 750 units of Excalibre X B. 21 750 units of Superdrive and 43 500 units of Excalibre C. 22 500 units of Superdrive and 45 000 units of Excalibre O D. 45 000 units of Superdrive and 22 500 units of Excalibre