Saily sols authentic Amish quilts on her wobsite. Suppose Sally expects to sell 1,600 quilts during the coming yoar. Her average sales price per quit is $325, and her average cost per quir is $125. Her fixed expenses total $160,000. Compute Salys operating leverage foctor at an expected salos level of 1,600 quits, If swles volume increases 4%. by what percentage will her operating income change? Prove your answer by calculating operating income at a sales volume of 1,600 and at a sales velume of 1,684 . Compute her operating leverage factor. (Round your answer to two decimal places) First, identify the formula, then compute the operasing leverage factor