Sergeant Pens maintains its mechanical pencil inventory using the perpetual inventory method.

The inventory records for November follow:

Beginning inventory			40 units @ $5.10 each
November 13 purchase			60 units @ $5.60 each
November 26 sale			75 units @ $9 each

Using the LIFO inventory-costing method, how much will Sergeant Pens report as ending inventory at November 30?

Select one:

a. 127.50

b. 137.50

c. 412.50

d. 392.50