Difference between GL and Inventory module

Good afternoon,

We currently have a difference of 74,181.70 CR between our GL balance and our Inventory balance for July 2013.

In our GL module, the balance said we have an inventory of 9,225,397.28 DT for YTD, but in our inventory module, the value we have is 9,151,215.58 DT for YTD

• We have no manual entries or payables entries in GL
• All create accounting and post have been done
• There is no transaction in the interface table for inventory
• The transaction for JULY-13 on the inventory side is 439,643.63 and in GL PTD for JUL-13 is 440,670.23

We need some help for a track on where we can look to resolve the issue