Can you please show how you got to the answer? Thank you for your help.

1. Sandy Company has the following cost structure for the year:| $12 per unit $2 per unit Variable Costs: Manufacturing Selling and Administrative Fixed Costs Manufacturing Selling and Administrative $160,000 per year $210,000 per year During the year, 40,000 units were produced, and 35,000 units were sold. There was no beginning inventory. The selling price was $25 per unit. a) What is operating income for the year using variable costing? b) What is operating income for the year using absorption costing? c) What is the dollar value of ending inventory for the year using variable costing? d) What is the dollar value of ending inventory for the year using absorption costing