Determine the missing amounts. Sales revenue Sales returns Cullumber Shoes $95,420 5070 i (a) Net sales 90,350 Cost of goods sold 52,990 Gross profit 37360 (b) Operating expenses 18,040 Net income 19320 (c) Riverbed Footwear * Your answer is incorrect. Determine the gross profit rates. (Round answers to 1 decimal place, e.g. 25.2%) Cullumber Shoes Gross profit rate. 195880 (d) $5,880 190,000 100000 i (e) 90,000 73700 i (f) Riverbed Footwear. 0.4 % 0.5 % 16,300