Wesgate Furniture Ltd. has provided you with the following selected information from 2018 and 2019: 2019 2018 Sales $785,000 $740,000 Sales returns and 52,000 allowances 55,200 Cost of goods sold 358,000 305,000 Operating expenses 285,000 255,000 Profit 86,800 128,000 Using a vertical trend analysis with net sales as a base, which of the following most accurately depicts the information stated above? a. Profit as a percentage of net sales decreased by 6.7 percentage points Ob Cost of goods sold as a percentage of net sales remained consistent from 2018. Oc. Profit as a percentage of net sales did not change significantly from 2018. d. Cost of goods sold as a percentage of net sales decreased by 5 percentage points