28. 9999's Barrey, Inc. is subject to a 40% income tax rate. The following data pertain to the period just ended when the company produced and sold 45,000 units: Sales revenues $1,350,000 Variable costs $ 810,000 Fixed costs $ 432,000 How many units must Barrey sell to earn an after-tax prot of $180,000? 42,000 45,000 5 1,000 61,000 An amount other than those above