please fill in all formulas and PLEASE explain how you did each step, thank you!

9 |Sales in units 10 isales price per unit 11 Variable manufacturing costs per unit 12 iVariable selling costs per unit 13 Fixed manufacturing costs 14 iFixed selling expenses. 16 Answer Section: 17 Income statement: Absorption costing \begin{tabular}{l|ll} 20 & 18 & \\ 21 & 19 & Sales \\ 22 & 20 & Cost of goods sold: \\ 23 & 21 & Variable manufacturing costs \\ 24 & 22 & Fixed manufacturing costs \\ 25 & 23 & \\ 26 & 24 & Total goods available for sale \\ 27 & 25 & Less ending inventory \\ 28 & 26 & \\ 29 & 27 & Cost of goods sold \end{tabular} 100,00080,000$30$14$2$630,000$100,000 FORMULA1 3432333429303132GrossprofitFixedsellingexpensesVariablesellingexpenses 34.33 Operating income $0 FORMULA4 $0 \$0 FORMULA5 FORMULA6 35363435 35 Income statement: Variable costing VARCOST current ORIGINAL \begin{tabular}{|lll} \hline 30 & Fixed selling expenses & \end{tabular}