P6-5A Calculate ending inventory, cost of goods soid, gross profit, and gross profit rate under periodic method; compare results. You have the following information for Van Gogh inc. for the month ended October 31. 2017. Van Gogh uses a periodic method for inventory. Date Description Units Unit Cost or Selling Price Oct. 1 Beginning inventory 60 120 100 100 60 70 110 Oct. 9 Purchase Oct. 11 Sale Oct. 17 Purchase Oct. 22 Sale Oct. 25 Purchase Oct. 29 Sale $24 26 35 27 40 29 40 Instructions (a) Calculate () ending inventory, (i) cost of goods sold. (ii) gross profit. an (iv) gross .1.LIFO. .2.FIFO. . 3.Average-cost. (Round cost per unit to three decimal places.) Gross profit: LIFO S2.970 FIFO53,310 Average $3,133 (b) Compare resuits for the three cost flow assumptions