Problem 1. Profit-leverage Effect (6 points) A firm has an operating margin of 8% (a) The profit-leverage effect = (b) A $15,000 dollar savings in logistics costs has the same impact on profit as sales increase (c) $ increase. _logistics cost saving can achieve the same profit impact as a $40,000 sales Please show detailed analysis to gain full credit. If you use a spreadsheet to calculate the cost, please submit the spreadsheet (not screenshots of spreadsheet) as an attachment