Concord Shutters has the following inventory information.

Nov.1 Inventory 60 units @ $5.00

8 Purchase 120 units @ $6.00

17 Purchase 60 units @ $7.00

25 Purchase 60 units @ $8.00

A physical count of merchandise inventory on November 30 reveals that there are 50 units on hand. Assume a periodic inventory system is used. Cost of goods sold (rounded to the nearest dollar) under the average-cost method is

a- $1606.0.

b- $1622.0.

c- $1568.0.

d-$1600.0.