Please answer all parts of the following question, and show all of your work. Thank you so much in advance!

c. Calculate profit and the value of ending inventory lorca d.Explain why using variable costing, profit does not fluctuate from year to year PROBLEM 5-3. Variable and Full Costing: Earnings Management with Full Costing; Changes in Production and Sales [LO 1, 2] Firemaster BBQ produces stainless steel propane gas grills The company has been in operation for 3 years, and sales have declined each year due to increased competition. The following information is available: 2017 2018 2019 Total Units sold Units produced Fixed production costs Variable production costs per unit Selling price per unit Fixed selling and administrative expense 30,000 30,000 27,000 30,000 25,000 82,000 22,000 82,000 $30,000,000 $30,000,000 $30,000,000 $1,0001,000 1,000 $2,500 $2,500 2,500 350,000 350,000 $ 350,000 REQUIRED a. Calculate profit and the value of ending inventory for each year under full costing. b. Calculate profit and the value of ending inventory for each year under variable costing. c. Explain how management of Firemaster could manipulate earnings in 2018 by producing more units than are actually needed to meet demand. Could this approach to earnings management repeated year after year? PROBLEM 5-4. Variable and Full Costing: Earnings Management ui