If a cable company has 500 boxes in their ending inventory they can no longer use, what is the cost

If a cable company has 500 boxes in their ending inventory they can no longer use, what is the cost of the ending inventory using the following table with the FIFO method?
Beginning inventory and purchases Boxes Box Cost Total Cost
Jan 1 15,500 $15 $232,500
March 1 6,500 $16 $104,000
June 1 2,500 $20 $50,000
September 1 1,500 $23 $34,500
December 1 1,000 $32 $32,000