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Sara's Boutique has the following transactions related to its top$-$selling Gucci purse for the month of October. Sara's

Boutique uses a periodic inventory system.

Required:

Calculate ending inventory and cost of goods sold at October $31,$ using the specific identification method. The October $4$ sale

consists of purses from beginning inventory, the October $13$ sale consists of one purse from beginning inventory and two purses from

the October $10$ purchase, and the October $28$ sale consists of three purses from the October $10$ purchase and four purses from the

October $20$ purchase.