can you solve question e , f , g and h

A ABC WP_230_21_ILS Comments Share Tell me Review View Formatting O, Open with Preview Screenshot 2021-04-18 at 2.31.40 AM Sinbad manufactures decorative iron railings. In preparing for next year's operations, management has developed the following estimates: (013) Units 20,000 Total 1.000.000 600.000 400.000 110,000 290,000 Per unit 50 30 20 Sales Variable Expenses CM Total Fixed Expenses Operating Profit Required: EXCEL Compute the following items: a. Unit contribution margin. b. Contribution margin ratio. c. Break-even in units and dollar sales. d. Margin of safety in dollar amount and percentage. e. If the sales volume increases by 20% with no change in total fixed expenses, what will be the change in net operating income? Verify your answer f. If the per unit variable production costs increase by 15%, and if fixed selling and administrative expenses increase by 12%, what will be the new break-even point in dollar sales? g. if the company would like to achieve a profit of $90,000 next year, what would be the break-even point in units and dollar cam that target? h. If monthly sales increase by $80,000 and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase? amount