Crane sells a learning system that helps preschool and elementary students learn basic math facts and concepts. The company's income statement from last month is as follows: Total Per Unit Sales revenue $765,000 $51 Variable expenses 306,000 20.40 Contribution margin 459,000 $30.60 Fixed expenses 312,000 Operating income $ 147,000 (a) What is Crane's contribution margin ratio? Its variable cost ratio? (Round ratios to 2 percentage places, e.g. 0.38 = 38%.) Contribution margin ratio % Variable cost ratio % eTextbook and Media Save for Later Attempts: 0 of 3 used (b1) Compute breakeven sales. (Use the rounded contribution margin ratio calculated in the previous part to compute breakeven sales.) Breakeven sales eTextbook and Media Save for Later Attempts: 0 of 3 used (b2) What is Crane's margin of safety? Margin of safety eTextbook and Media Save for Later Attempts: 0 of 3 used (8 (C) If Crane's sales were to increase by $100,000 with no change in xed expenses, by how much would operating income increase? (Use the rounded contribution margin ratio calculated in the previous part to compute breakeven sales.) Net Operating income will increase by eTextbook and Media Save for Later Attempts: O of 3 used (d) Crane's managers have determined that variable costs per unit will increase by 20% beginning next month. To offset this increase in costs, they are considering a 10% increase in the sales price. Market research indicates that the price increase will result in a 2% decrease in the number of learning systems Crane sells. What will be Crane's expected operating income if the price increase is implemented? {Round per unit calculations to 2 decimal places e.g. 52.75 and final answer to 0 decimal places, e.g. 5,275.) Operating income eTextbook and Media Save for Later 3 Attempts: O of 3 used