A Company Uses Periodic Inventory in Connection with the Average-Cost $\$ 4.00$

A company uses periodic inventory in connection with the average-cost method.The company began the year with zero inventory balance.They had the following transactions during the year: Purchased 50 units at $\$ 4.00$ per unit
Purchased 100 units at $\$ 4.10$ per unit
Sold 80 units at a price of $\$ 12.00$ per unit
Purchased 60 units at $\$ 3.20$ per unit
Sold 75 units at a price of $\$ 12.75$ per unit
At the end of the year,they counted the inventory and found 55 units remaining.How much was the Cost of goods sold for the year? (Please round to the nearest whole dollar.)

A) $541
B) $582
C) $626
D) $592