4. On January l of the current year, Anderson Corporation commenced operations and operated its plant at100% of capacity during the month of January. The following data summarized the results for January: Units produced Units sold ($80 per unit) 25,000 units 21,000 units Manufacturing costs: Variable manufacturing costs Fixed manufacturing costs $575,000 200,000 Selling and administrative expenses Variable selling and administrative expenses Fixed selling and administrative expenses $210,000 252,000 Required: a. b. c. Calculate the value of ending inventory using absorption costing. Calculate the value of ending inventory using variable costing. Prepare an income statement using variable costing