Exercise 9-13 (Algo) Retail inventory method; average cost [LO9-3] San Lorenzo General Store uses a periodic inventory system and the retall inventory method to estimate ending inventory and cost of goods sold. The following data are avallable for the month of October 2021: Required: Complete the table below to estimate the average cost of ending inventory and cost of goods soid for October using the information provided. (Round ratio calculation to 2 decimal places (i.e., 0.1234 should be entered as 12.34% ). Enter amounts to be deducted with o minus sign.)