Hoffer Edifier company sells a one design speaker. The company's sales and expenses for June 2022 follows: Total Per Unit Sales $262,500 $35.00 Less: Variable expenses $141,750 $18.90 Contribution margin $120,750 $16.10 Less: Fixed Expenses $79,400 Net operating Profit $41,350 Do not enter dollar signs or commas in the input boxes. a) What is the monthly break-even point in units sold? Round your answer up to the nearest whole number. Break-even point in units sold units b) How many units would have to be sold each month to earn a target profit of $29,500? Round your answer up to the nearest whole number. Units sold to attain target profit: units c) What is the company's margin of safety in percentage terms? Round the margin of safety to 2 decimal places. Margin of safety in dollars: $ Margin of safety percentage: d) if monthly sales increase by $38 400 and there is no change in fixed expenses, by how much would you expect monthl erating profit to increase Round the contribution margin ratio to 2 decimal places. Contribution Margin Ratio: Incremental contribution margin: s