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The controller of Sunland Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Determine the variable-cost components using the high-low method. (Round answer to 2 decimal ploces es. 2.25) Variable cost per machine hour eTextbook and Media Attempts: 0 of 5 used (a2) The parts of this question must be completed in order. This part will be available when you complete the part above. Current Attempt in Progress Pharoah Bucket Co, a manufacturer of rain barrels, had the following data for 2019 . (a) What is the contribution margin ratio? Your answer is correct. What is the contribution margin ratio? Contribution margin ratio eTextbook and Media (b) What is the break-even point in dollars? Your answer is correct. What is the break-even point in dollars? Break-even point eTextbook and Media (c) What is the margin of safety in dollars and as a ratio? What is the margin of safety in dollars and as a ratio? Margin of safety Margin of safety ratio If the company wishes to increase its total dollar contribution margin by 30% in 2020 , by how much will it need to increase its sales if selling price per unit, variable price per unit and total ficed costs remain constant? Total increase in sales required