Required information [The following information applies to the questions displayed below] Sandra's Purse Boutique has the following transactions related to its top-selling Guccipurse for the month of October. Sandra's Purse Boutique uses a periodic inventory system. 4. Using weighted-average cost, calculate ending inventory and cost of goods sold at October 31 . (Round your intermediate calculations to 4 decimol places and final answers to 2 decimal places.)