Cullumber Company reported the following information for November and December 2022. November December Cost of goods purchased $537,000 $603,000 Inventory, beginning-of-month 130,000 118,520 Inventory, end-of-month 118,520 ? Sales revenue 857,000 1,000,000 Cullumber's ending inventory at December 31 was destroyed in a fire. (a) Compute the gross profit rate for November. Gross profit rate %