envy company ;produces a single product with a selling price of $12, a variable cost of $7 per unit, and a fixed cost of $3 per unit. Total fixed costs at envy company is $1,000,000. Envy company faces a tax rate of 25%.

How many units of product must envy company sell in order to earn an after-tax operating income of $1,500,000

1) 600,000

2) 450,000

3) 900,000

4) 1,500,000