I need help with all four of these problems

Inventory 1,806,000 EX 21-1 Inventory valuation under absorption costing and variable costing Obj. 1 At the end of the first year of operations, 21,500 units remained in the finished goods inventory The unit manufacturing costs during the year were as follows: Direct materials $30 Direct labor 18 Fixed factory overhead 22 Variable factory overhead 14 Determine the cost of the finished goods inventory reported on the balance sheet under (a) the absorption costing concept and (b) the variable costing concept. ng 00 EX 21-2 Income statements under absorption costing and variable costing Obj. 1 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: Sales (4,000 units) $2,600,000 Production costs (4,350 units): Direct materials $1,218,000 Direct labor 522,000 Variable factory overhead 87,000 Fixed factory overhead. 130,500 1,957.500 Selling and administrative expenses: Variable selling and administrative expenses.. $ 60,000 Fixed selling and administrative expenses... 25,000 85,000 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)? Operating income, 6,655,000 EX 21-3 Income statements under absorption costing and variable costing Obj. 1 Fresno Industries Inc. manufactures and sells high-quality camping tents. The company began operations on January 1 and operated at 100% of capacity (150,000 units) during the first month, creating an ending inventory of 20,000 units. During February, the company produced 130,000 units during the month but sold 150,000 units at $500 per unit. The February manufacturing costs and selling and administrative expenses were as follows: Number of Units Unit Cost Total Cost ME HOW 20.000 20,000 $275.00 26.00 $301.00 $ 5,500,000 520,000 $ 6,020,000 Manufacturing costs in February 1 beginning inventory: Variable... Fixed Total Manufacturing costs in February: Variable. Fixed. Total Selling and administrative expenses in February Variable Fixed Total 130,000 130,000 $275.00 30.00 $305.00 $35,750,000 3.900,000 $39,650,000 150,000 150,000 $ 20.00 1.30 $ 21.30 $ 3,000,000 195,000 $ 3,195,000 a. Prepare an income statement according to the absorption costing concept for the month ending February 28. b. Prepare an income statement according to the variable costing concept for for the month ending February 28 What is the reason for the difference in the amount of operating income reported in (a) and (b)? C. EX 21-14 Northeast Rene Sales territory and salesperson profitability analysis Obj. 4 Havasu Off-Road Inc. manufactures and sells a variety of commercial vehicles in the Northeast and Southwest regions. There are two salespersons assigned to each territory. Higher commission rates go to the most experienced salespersons. The following sales statistics are available for each salesperson: Southwest Steve Colleen Paul Average per unit: Sales price $15,500 $16,000 $14,000 $18,000 Variable cost of goods sold $9,300 $8,000 $8,400 $9,000 Commission rate 896 1296 10% 896 Units sold 36 24 40 60 Manufacturing margin ratio 4096 5096 40% a. 1. Prepare a contribution margin by salesperson report. Compute the contribution margin ratio for each salesperson. 2. Interpret the report. b. 1. Prepare a contribution margin by territory report. Compute the contribution margin for each territory as a percent, rounded to one decimal place. 2. Interpret the report. 50%