please solve

In 2021, Crane Co. had break-even sales dollars of $882,200 based on a selling price of $11.0 per unit and fixed costs of $216,540. In 2022, the selling price and variable costs per unit did not change, but break-even sales dollars increased to $920,000. Compute the variable cost per unit and the contribution margin ratio for 2021. (Round answers to 2 decimal places, e.g. 52.75.) Variable cost $ per unit Contribution margin ratio Using the contribution margin ratio, compute the increase in fixed costs for 2022. Increase in fixed costs