Trez Company began operations this year. During this year, the company produced 100,000 units and sold 80,000 units. The absorption costing income statement for this year follows. Additional Information a. Selling and administrative expenses consist of $400,000 in annual fixed expenses and $1.75 per unit in variable selling and administrative expenses. b. The company's product cost of $30 per unit consists of the following. Required: Prepare an income statement for the company under variable costing. Required: Prepare an income statement for the company under variable costing