Addison, Inc If Addison Uses LIFO, the Cost of the Ending Merchandise

Addison, Inc. uses a perpetual inventory system. The following is information about one inventory item for the month of September: $\begin{array}{rll}\text { Sep. } 1 & \text { Inventory } & 20 \text { units at } \$ 20 \\4 & \text { Sold } & 10 \text { units } \\10 & \text { Purchased } & 30 \text { units at } \$ 25 \\17 & \text { Sold } & 20 \text { units } \\30 & \text { Purchased } & 10 \text { units at } \$ 30\end{array}$ If Addison uses LIFO, the cost of the ending merchandise inventory on September 30 is

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