Inventory Aging by Purchased volume and inventory on hand.

todds

New Member
I have seen some similar threads on this, but most deal with dates, not volumes.
I am trying to write a formulate that will track volumes purchases, and by comparing to on hand volume, show me unsold inventory.

Example
A B C D E F G H I J K L M
1 On Hand Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2 300 150 100 50 75 100
3
4 Unsold 0 75 50 75 100

In the example, On Hand is physical inventory today.
In the example, The quantities in column B-F are the amounts purchased each month.

The expected results are shown on line 4.

To help you understand better, if I change the On Hand to 125, then the result would be:
4 Unsold 0 0 0 25 100

This would be updated at the end of each month. At the end of the month, the data for that month will be added to the appropriate column, and the on hand will be updated with the new current physical quantity. Basically a very quick reference for old stock using purchasing data, without the need to use Sales Data.

I just cannot figure out a way to dynamically sum data backwards.

Todd

Excel Facts

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raj2206

Board Regular
Hello, Thanks for writing!

Could u please share us your data, it doesn't seem to be very clear, need more clarity.

Thanks/Raj

todds

New Member
Data Below. (Sorry, had a hard time getting the excel data to post so that it is easy to read)

Data set 1: Assuming that I have 35,000 on hand today, row 3 shows that I have sold everything from Jan - Sep and that I still have 10,000 from Oct to sell plus everything from Nov and Dec.

Data set 2: Assuming that I have 90,000 on hand today, row 3 shows that I have sold everything from Jan - Apr and that I still have 10,000 from May to sell plus everything from Jun to Dec.

It is the calculation on line 3 that I need to automate with a formula.

Hope this is a bit clearer.

DATA SET 1:
_______A_________|B______|C_____|D_____|E_____|F_____|G_____|H____|I____|J_____|K______|L_____| M
1________________|Jan____|Feb___|Mar____|Apr___|May___|Jun___|Jul___|Aug_|Sep___|Oct____|Nov___|Dec
2Purchased Amount_|30,000_|20,000_|10,000|40,000|20,000_|15,000|8,000_|7,000|10,000|15,000_|20,000_|5,000
3Left to Sell_______|0______|0_____|0_____|0_____|0_____|0_____|0____|0____|0_____|10,000_|20,000_|5,000
4
5 On Hand Today |35,000_|

DATA SET 2:

_______A_________|B______|C_____|D_____|E_____|F_____|G_____|H____|I____|J_____|K_____|L_____| M
1________________|Jan____|Feb___|Mar___|Apr___|May___|Jun___|Jul___|Aug__|Sep___|Oct___|Nov___|Dec
2Purchased Amount_|30,000_|20,000|10,000|40,000|20,000_|15,000|8,000_|7,000|10,000|15,000_|20,000_|5,000
3Left to Sell_______|0______|0_____|0_____|0____|10,000_|15,000|8,000_|7,000|10,000|10,000_|20,000_|5,000
4
5 On Hand Today |90,000_|

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