Use the Information That Follows Concerning Yarley's Gift Store to Answer

Use the information that follows concerning Yarley's Gift Store to answer problems
Grandma's Gift Store uses the periodic inventory method. nventory and purchase information for July is as follows:
$\begin{array}{llc}\text { July 1 } & \text { Beginning inventory } & 500 @ \$ 4 \\\text { July 10 } & \text { Purchase } & 800 @ \$ 5 \\\text { July 31 } & \text { Ending inventory } & 300\end{array}$

-Ignoring taxes, by what amount would Grandma's working capital on July 31 under FIFO exceed working capital using LIFO?