Suppose Kenzie sells 2,000 posters. Use the following financial data (540 sales price, $32 variable cost, $4,320 fixed expenses) to compute her operating leverage factor. If sales volume increases 10%, by what percent will Kenzie's operating income change? Prove your answer. .... First, identify the formula, then compute the operating leverage factor. (Round your answer to two decimal places.) Contribution margin Operating income Operating leverage factor