Sandhill 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 $662,500 $53 Variable expenses 265,000 21.20 Contribution margin 397,500 $31.80 Fixed expenses 249,000 Operating income $ 148,500 (d) Sandhill's managers have determined that variable costs per unit will increase by 15% 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 3% decrease in the number of learning systems Sandhill sells. What will be Sandhill'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 O decimal places, e.g. 5,275.) Operating income $