Actually incoming payment should be 6000 , because customer line items created with 6000. If we entered excessively 15000, if we leave same as 15000 and clears with 6000 then customer line item creates as 9000- with DZ document type. Mean excess income payment of 9000.
If u used "path" then it will be helpful for us to understand how u goes that payment entry .. with the short cut keys knowbody get understand u know..
Going very fast and not teaching the step by step. It's very difficult to understand ur teaching skill. Please write the point alteast excel sheet which one you want to teach.