Seminole Corporation sells graduation gowns for finance majors. Seminole has sales revenue of $500,000, variable manufacturing costs of $150,000, other variable costs of $50,000, total fixed manufacturing costs of $100,000, and total fixed selling costs of $20,000. What level of sales revenue will Wilco have to generate to earn an after-tax profit of $320,000? Wilco's tax rate is 20 percent. Some other answer $733,333 $833,333 $866,667 $742,857