Required information [The following information applies to the questions displayed below.] Sara's Boutique has the following transactions related to its top-selling Guccipurse for the month of October. Sara's Boutique uses a periodic inventory system. equired: Calculate ending inventory and cost of goods sold at October 31, using the specific identification method. The October 4 sale onsists of purses from beginning inventory, the October 13 sale consists of one purse from beginning inventory and two purses from e October 10 purchase, and the October 28 sale consists of three purses from the October 10 purchase and four purses from the ctober 20 purchase