The controller of Blossom Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Maintenance Costs Total Machine Hours 3,860 4.412 Month January February March April May June 6,618 $2,912 3.309 3,971 4,963 3,530 5,894 8.714 5.515 8.830 (21) Your answer is incorrect. Determine the variable-cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Variable cost per machine hour $ In the month of March, Crane Salon services 630 clients at an average price of $170. During the month, fixed costs were $22,440 and variable costs were 70% of sales. Determine the total contribution margin in dollars, the per unit contribution margin, and the contribution margin ratio. Contribution margin in dollars $ Contribution margin per unit $ Contribution margin ratio % e Textbook and Media Using the contribution margin technique, compute the break-even point in dollars and in units. Break-even sales $ Break-even sales units