Exercise 5-12 in 2019, Cullumber Company had a break-even point of $229,000 based on a selling price of $4 per unit and fixed costs of $137,400. In 2020, the selling price and the variable costs per unit did not change, but the break-even point increased to $448,000. Compute the variable costs per unit and the contribution margin ratio for 2019. (Round Variable cost per unit to 2 decimal places, e... 2.25 and Contribution margin ratio to u decimal places, e.g. 20.) $ Variable costs per unit Contribution margin ratio Compute the increase in foxed costs for 2020. Increase in foxed cost Click if you would like to Shew Work for this question: Open Show Work