Tennis Shop uses a periodic inventory system Date Units Total Cost Unit Cost $146 8 $ 1,168 Transactions Beginning inventory Sale ($155 each) Purchase Sale ($170 each) Purchase Sale ($180 each) Purchase August 1 August 4 August 11 August 13 August 20 August 26 August 29 136 1,360 5 10 8 10 11 10 126 1,260 116 1,160 4,948 $ For the specific identification method, the August 4 sale consists of rackets from beginning inventory, the August 13 sale consists of rackets from the August 11 purchase, and the August 26 sale consists of one racket from beginning inventory and 10 rackets from the August 20 purchase. 5. Calculate sales revenue and gross profit under each of the four methods. (Round weighted average cost amounts to 2 decimal places.) Specific Identification FIFO LIFO Weighted- average cost Sales revenue Cost of goods sold Gross profit