In Lebeau Company, data for the contribution margin per unit and machine hours per unit for two products are as follows: product A, $10.20 and 1.70 hours; product B. $13.94 and 3.40 hours. Calculate the contribution margin per unit of the limited resource for each product. (Round answers to 2 decimal places, eg. 15.25.) Product A Product B $ $ $ Contribution margin per unit of the limited resource