Friar Company discloses the following information for the year ended October 31, 2020: Sales Sales discounts Sales returns Merchandise inventory (beginning of period) Invoice cost of merchandise purchases Purchase discounts Purchase returns and allowances Cost of transportation-in Gross profit from sales Profit $363,000 6,300 14,800 31,800 182,000 4,400 6,800 11,800 143,600 65,800 Required: a. Calculate the total operating expenses. Total operating expenses b. Calculate the cost of goods sold. Cost of goods sold b. Calculate the cost of goods sold. Cost of goods sold c. Calculate the merchandise inventory (end of period). Merchandise inventory (ending) d. Calculate the gross profit ratio. (Round your final answer to 2 decimal places.) Gross profit ratio %