3. Calculate the net profit margin ratio at September 30, 2019 (using earnings before income taxes in place of net earnings). (Round percentage answer to 1 decimal place f.e.,0.124 should be entered as 12.4).) Net profit margin ratio PENNY'S POOL SERVICE & SUPPLY, INC. Statement of Earnings (unadjusted) For the Quarter Ended September 30, 2019 Pool cleaning revenue $ 19,200 39 Operating expenses Advertising expense Wages expense Repairs expense Utilities expense Property tax expense 2,600 3,000 310 220 600 6,730 12.470 Total operating expenses Earnings from operations Other items: Investment revenue 75 Earnings before income taxes $ 12,545 3. Calculate the net profit margin ratio at September 30, 2019 (using earnings before income taxes in place of net earnings). (Round percentage answer to 1 decimal place (Le., 0.124 should be entered as 12.4).) % Net profit margin ratio 2 of 2