Definition of Average Cost



Average cost is the cost that is charged to the cost of goods sold when the cost of goods purchased differs frequently. To avoid the fluctuations in the purchase prices of the goods, it is assumed that the fluctuations are evenly distributed among the units sold.

 


Assume a company purchased goods in the following quantities and in the following rates.

 

Month

Units purchased

Rate

Cost of Goods Purchased

Jan

                          400

        60.00

24000

Feb

                          560

        58.00

32480

Mar

                          630

        64.00

40320

Apr

                          420

        57.00

23940

May

                          390

        61.00

23790

Jun

                          510

        63.00

32130

July

                          360

        56.00

20160

 

 

 

 

 Total

                      3,270

 

196820

       

 

 

Average cost = 196820 / 3270 = $60.19


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