In September, Blossom Industries sold 820 units of product. The average sales price was $50. During the month, fixed costs were $7,500 and variable costs were 70% of sales. Determine the contribution margin in dollars, per unit, and as a ratio. (Round Contribution margin to O decimal places, e.g. 5,275. Other all answers to 2 decimal places, e.g. 52.75.) Contribution margin (in dollars) $ Unit contribution margin $ Contribution margin ratio eTextbook and Media % di Using the contribution margin technique, compute break-even salesdollars and sales units. Break-even sales (in dollars) Break-even sales (in units) $ units