Addison, Inc -If Addison Uses FIFO, the Cost of the Ending Merchandise

Multiple Choice

Addison, Inc. uses a perpetual inventory system. The following is information about one inventory item for the month of September:
$\begin{array} { r l l } \text { Sept. } 1 & \text { Inventory } & 20 \text { units at } \$ 20 \\ 4 & \text { Sale } & 10 \text { units } \\ 10 & \text { Purchase } & 30 \text { units at } \$ 25 \\ 17 & \text { Sale } & 20 \text { units } \\ 30 & \text { Purchase } & 10 \text { units at } \$ 30 \end{array}$
-If Addison uses FIFO, the cost of the ending merchandise inventory on September 30 is

A) $800
B) $650
C) $750
D) $700