Transfer Values Based On Condition & Insert Date

Any help to fix my code is appreciated.
So far it's not doing what I need it to.
For the item numbers in column A, I have a values representing quanities in columns D,E,G, and L. D&E being the most recent qty value.
If the value in column E changes and is not equal to value in G, than these values for the item number in A, will be copied and replacing the values in G. Likewise, G will be transfered to L.

For each change in value in G, I want to have the current date be put into column H for the corresponding row. For each transfer from G to L.
The date in column H will be copied to column M for the corresponding row.

I've attached an example problem.

The code so far is as follows:

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I've commented out a lot of lines, that I've tried to use to get something working for me.

To test, just put any value you want into columns E. Again, if the value is
different than the value appearing in column G, than the value in E should get transferred to G. Therefore, the sequece of events will be :
G to L
then
E to G

Again, Any help is appriciated.

Thanks,

BDB