For UBS / MYOB: Set up a dummy contra account, for the differ in the amount input to the dummy contra account
For EZ Accounting: This works best as it allow you to contract between supplier and debtor without having to create dummy account.
If you want to benefit from the PSG Grant designed by the Singapore government but have no idea how to claim it, Visit IRAS & Visit BGP website. You will get complete assistance to claim the PSG Grant Singapore.