In September, Sandhill Industries sold 850 units of product. The average sales price was $35. During the month, fixed costs were $8,400 and variable costs were 60% of sales. (a) 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 %Using the contribution margin technique, compute the break-even point in dollars and in units. Break-even sales (in dollars) $_ _ __ Break-even sales (in units) -_ _ _ units