Lumley Pty Ltd has a perpetual inventory system and sells only one product.

80 items of inventory/stock costing $30 each were in the store at the beginning of June.

20 more items were purchased for $50 each on the 12th June.

90 items were sold for $100 each on the 28th June.

assuming a WEIGHTED AVERAGE system is used for inventory records, what was the cost of goods sold for the 28th June sale?

Select one:

a. $1,000

b. $9,000

c. $3,060

d. $2,700

e. $4,500

Assuming a FIFO system is used for inventory records, what was the cost of goods sold for the 28th June sale?

Select one:

a. $3,060

b.$2,400

c. $2,900

d.$9,000

.e. $3,100