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Dax Office Equipment manufactures and sells metal shelving. It began operations on January 1, 2021. Costs incurred for 2021 are as follows ( V stands for variable; F stands for fixed): Variable manufacturing costs are variable with respect to units produced. Variable marketing, distribution, and customer-service costs are variable with respect to units sold. Inventory data are as follows: Production in 2021 was 150,000 units. Two kilo grams of direct materials are used to make one unit of finished product. Revenues in 2021 were $560,000. The selling price per unit and the purchase price per Kg of direct materials were stable throughout the year. The company's ending inventory of finished goods is carried at the average unit manufacturing cost for 2021. Finished-goods inventory at December 31, 2021, was $18,000. Required: 1. Calculate direct materials inventory, total cost, December 31, 2021. 2. Calculate finished-goods inventory, total units, December 31, 2021. 3. Calculate the cost of sales and unit selling price in 2021. 4. Prepare the income statement, given tax rate is 15% for 2021