In September, Oriole Industries sold 810 units of product. The average sales price was $35. During the month, fixed costs were $6,804 and variable costs were 60% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. (Round Contribution marzin to 0 decimal places, es. 5,275 . Other all answers to 2 decimal places, eg. 52.75.) Contribution margin (in dollars) Unit contribution margin Contribution margin ratio Attempts: 0 of 1 used (b) The parts of this question must be completed in order. This part will be available when you complete the part above