this is a problem set for managerial accounting,

On March 31, Brass Company's absorption costing accounting system contained the following information. Assume per unit costs for February were the same as the March per unit costs. Units sold 45,000 Sales Price $72.00 Total Cost of Goods Manufactured $1,200,000 Total Selling & Admin. Expenses $100,000 Units in Ending Inventory 5,000 Units in Beginning Inventory 2,000 Fixed Manufacturing Costs $192,000 Fixed Selling & Admin. Expenses $60,000 Required: A) Determine the March Ending Inventory balance using Absorption Costing. (Show your work) B) Determine the March Beginning Inventory balance using Absorption Costing. (Show your work) C) Determine the March Ending Inventory balance using Variable Costing. (Show your work) D) Determine the March Beginning Inventory balance using Variable Costing. (Show your work) E) Prepare an Absorption Costing Income Statement down to the Operating Income level. F) Prepare a Variable Costing Income Statement down to the Operating Income level. G) Show how the difference in operating incomes in (E) and (F) occurred. In other words, show me how you would reconcile the difference