The Boxwood Company Sells blankets for $60 each.
Purchase 5 units 30$
Purchase 10 units 34$
Purchase 10 units 40$

Sale 3 units
Sale 6 units
Sale 3 units

Assuming that the company uses the perpetual inventory system, determine the ending inventory for the month of May using the average inventory cost method.

There's an example of weighted average if you scroll down a bit:
Principles of Accounting Chapter 8 (http://www.principlesofaccounting.com/chapter%208.htm#perpetual%20inventory%20systems)

We don't just do people's homework for them, so see if you can give this a shot and feel free to submit whatever you come up with for someone to check.

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