On September 1, Windsor Office Supply had an inventory of 31 calculators at a cost of $ 21 each. The company uses a perpetual inventory system. During September, the following transactions occurred. Sept. 6 Purchased 71 calculators at $ 23 each from Danny Co. for cash. 9 Paid freight of $ 71 on calculators purchased from Danny Co. 10 Returned 3 calculators to Danny Co. for $ 72 credit (including freight) because they did not meet specifications. Sold 34 calculators ( 31 costing $ 21, and 3 costing $ 24 including freight) for $ 34 each to Great Big Book Store, terms n/31. 12 14 Granted credit of $ 34 to Great Big Book Store for the return of one calculator that was not ordered. 20 Sold 41 calculators costing $ 24 for $ 34 each to Bush's Card Shop, terms n/31. What amount would Windsor report as gross profit in the September income statement? Gross profit $