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In the month of September, Matlock Industries sold 800 units of product. The average sales price was $30. During the month, fixed costs were $6,300 and variable costs were 70% of sales. (a) Determine the contribution margin in dollars, per unit, and as a ratio. Contribution margin in dollars) $ Unit contribution margin Contribution margin ratio fot Attempts of 1 used Submit Answer Determine the contribution margin in dollars, per unit, and as a ratio. Contribution margin (in dollars) $ Unit contribution margin $ Contribution margin ratio % Save for Later Attempts: 0 of 1 used Submit Answer (b) The parts of this question must be completed in order. This part will be available while you complete the port above