Gallatin County Motors Inc. assembles and sells snowmobile engines. The company began operations on July 1 and operated at 100% of capacity during the first month. The following data summarize the results for July: 1 Sales (38,000 units) $9,500,000.00 2 Production costs (44,000 units): 3 Direct materials $4,400,000.00 4 Direct labor 1,760,000.00 5 Variable factory overhead 1,100,000.00 6 Fixed factory overhead 660,000.00 7,920,000.00 7 Selling and administrative expenses: 8 Variable selling and administrative expenses $1,170,000.00 9 Fixed selling and administrative expenses 200,000.00 1,370,000.00 Required: a. Prepare an income statement according to the absorption costing concept\.\* b. Prepare an income statement according to the variable costing concept\.\* c. What is the reason for the difference in the amount of Operating income reported in (a) and (b)