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

Date Transactions Units Unit Cost Total Cost

October $1$ Beginning inventory $6$ $ $740$ $ $4,440$

October $4$ Sale $4$

October $10$ Purchase $57503,750$

October $13$ Sale $3$

October $20$ Purchase $47603,040$

October $28$ Sale $7$

October $30$ Purchase $77705,390$

$ $16,620$

$2.$ Using FIFO, calculate ending inventory and cost of goods sold at October $31.$