When we were importing data into GP before going live, some of our unit costs were wrong. Also we have done lot of transactions ( purchasing as well as selling after that). Now i see that the COGS account goes haywire becauce of the unit costs. I want to fix these unit costs for all items preferably thru SQL and not through GP. We use FIFO perpetual for our inventory (which is another mistake). On investigation, i found the Unit costs are stored in 3 tables, namely IV00101, IV00103 and IV10200 tables. Are these the only tables it is hitting? Can i change the values in these tables and assume things will be fixed? What's the best way to find which tables GP is hitting when say i post an inventory transaction? This would give me more insight into which tables to check additionally if any?