A ceramics manufacturer sold cups last year for $7.50 each. Variable costs of manufacturing were $2.25 per unit. The company needed to sell 20,000 cups to break even. Net income was $5,040. This year, the company expects the following changes: sales price per cup to be $9.00, variable manufacturing costs to increase 33.3%, fixed costs to increase 10%, and the income tax rate to remain at 40%. Sales in the coming year are expected to exceed last year's sales by 1,000 units. How many units does the company expect to sell this year