In September, Sheridan Industries sold 810 units of product. The average sales price was $45. During the month, fixed costs were $7,020 and variable costs were 60% of sales (a) Determine the contribution margin in dollars, per unit, and as a ratio. (Round Contribution margin to 0 decimal places, eg 5.275 Other all answers to 2 decimal places, eg. 52.75) Contribution margin (in dollars) $ Unit contribution margin $ Contribution margin ratio (b) Save for Later Attempts: 0 of 1 used Submit Answer The parts of this question must be completed in order. This part will be available when you complete the part above