a. Prepare income statements based on absorption costing for 2018 and 2019. b. Since Levine sold the same number of units in 2018 and 2019, why did net income increase in 2019? d. Determine the costs of ending inventory for 2019. e. Prepare income statements based on variable costing for 2018 and 2019. Answer is not complete. Complete this question by entering your answers in the tabs below. Req A 2018 Req A 2019 Req B RegD Req E 2018 Reg E 2019 Prepare income statements based on absorption costing for 2018. (Do not round intermediate calculations.) GIBSON MANUFACTURING Absorption Costing Income Statement For the Year Ended Dec. 31, 2018 Cost of Goods Sold: Direct materials Direct labor Manufacturing overhead $ 52,800 94,000 41,200 X 106,200 X 294,200 (294,200) Gross margin Net income (294,200) a. Prepare income statements based on absorption costing for 2018 and 2019. b. Since Levine sold the same number of units in 2018 and 2019, why did net income increase in 2019? d. Determine the costs of ending inventory for 2019. e. Prepare income statements based on variable costing for 2018 and 2019. Answer is not complete. Complete this question by entering your answers in the tabs below. Req A 2018 Req A 2019 Req B Req D Reg E 2018 Req E 2019 Prepare income statements based on absorption costing for 2019. (Do not round intermediate calculations.) GIBSON MANUFACTURING Absorption Costing Income Statement For the Year Ended Dec. 31, 2019 Cost of Goods Sold: