> Eugene Vital <> wrote:
>
>>     The first step I need to accomplish is the cost of inventory for
>>     the period (monthly).  I have already done the calculations for
>> material used (calculated), sales, labor cost and material received.
>


Well, the first step in this case is to determine which valuation method the 
company follows. There are several methods, as per the accounting 
principles:

Last purchases
F.I.F.O. (first in first out)
L.I.F.O. (last in first out)
Average prices

etc.

Depending on which method you use, two very important things will vary: the 
gross profit and ultimately the amount of income tax the company will pay, 
based on gross profit minus expenses minus whatever other deductions are 
permitted by the tax laws in your country.

To give you an example, if the company uses the FIFO method, gross profit 
increases and the value of inventories at year end increases.
If , on the other hand, they use  LIFO, the opposite occurs.

Let me clarify this

date units purchased    unit cost       total cost

5/06       10                    10               100
6/06       10                    12               120

at the end of june your inventory is valued at 220. If you use the FIFO 
valuation method and you sell, say 18 units before june 30:

units sold                 cost of sales

    10 at 10                  100
      8 at 12                    96

  totals 18                    196

your inventory on hand is 2 units at 12 dollars, ie   24 dollars

But if you use the LIFO valuation method:

   units sold              cost of sales

     10 at 12                120
       8 at 10                  80

totals 18                    200

Inventory on hand:  2 units at 10 dollars:     20 dollars

In the FIFO scenario your cost of sales is lower than in the LIFO scenario. 
Therefore your gross profit is greater and the value of your inventory at 
year end is higher.

It has been ages since I studied accounting and there are several other 
valuation methods that can be applied. But it depends, as I said earlier, on 
what rules on inventory valuation are accepted by the taxation authorities 
in each country.

I think you should consult with management and the company auditors, to 
determine what valuation method they use and then, you start coding your 
inventory routines accordingly.

Rafael Copquin
www.copquin.com.ar
Universal Thread Magazine - Translation Coordinator
Treasurer - Microsoft Users Group of Argentina (MUG)
www.mug.org.ar

 



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