The following lots of a Commodity P were available for sale…

The following lots of a Commodity P were available for sale during the year. Use this information to answer the questions that follow. Beginning inventory 5 units at $61 First purchase 15 units at $63 Second purchase 10 units at $74 Third purchase 10 units at $77 ​ The firm uses the periodic system, and there are 20 units of the commodity on hand at the end of the year. ​ ​    What is the amount of cost of goods sold for the year according to the average cost method?