Calculate ending of goods sold, gr gross profit rate method; compa (LO 2), AP gross profit under LIFU? P6-5A You have the following information for Van Gogh Inc. for the month ended Octo- ber 31, 2017. Van Gogh uses a periodic method for inventory. Unit Cost or Selling Price Units Description Date Oct. 1 Beginning inventory Oct. 9 Purchase Oct. 11 Sale Oct. 17 Purchase Oct. 22 Sale Oct. 25 Purchase Oct. 29 Sale 110 Instructions (a) Calculate (i) ending inventory, (ii) cost of goods sold, (iii) gross profit, and (iv) gross profit rate under each of the following methods. (1) LIFO. (2) FIFO. (3) Average-cost. (Round cost per unit to three decimal places.) (b) Compare results for the three cost flow assumptions. (a) Gross pro LIFO FIFO Averag