The Inventory Data for an Item for November Are Using the First-In, First-Out Method, What Is the Cost of \text

The inventory data for an item for November are: $\begin{array}{lll}25 \text { units at } \$ 20 \text { each } & \text { Inventory } & \text { Nov. } 1 \\30 \text { units at } \$ 21 \text { each } & \text { Purchase } & 10 \\10 \text { units at } \$ 22 \text { each } & \text { Purchase } & 30 \\35 \text { units } & \text { Sale } &\end{array}$ Using the first-in, first-out method, what is the cost of the merchandise inventory of 30 units on November 30?

A) $640
B) $605
C) $630
D) $660