Problem 5-2 Variable and Full Costing: Sales and Production Fluctuate Hamilton Stage Supplies is a manufacturer of a specialized type of light used in theaters. Information on the first three years of business is as follows: 2017 Total 2018 2019 5,000 5,000 5,000 15,000 Units sold produced 5,000 6,000 4,000 15,000 Units $50,000 $50,000 $50,000 Fixed production costs 75 75 Variable production costs per unit 75 Selling price per unit 225 225 225 5,000 5,000 5,000 Fixed selling and administrative expense Required a. Calculate profit and the value of ending inventory for each year using full costing 2017 2019 2018 Full cost per unit Net income Value of ending inventory