Sales Entries Under GST

One of our Debtor XYZ (R.D.) has its GST Register Number.

Situation arise that sales on credit made under two different situation:-

1. Rs.3550/- Sales as TAX SALES on CREDIT (For Further Sale - As The party is Trader). 

2. Rs.2500/- Sales as RETAIL SALES on CREDIT (For No Further Sales).

How to pass its Journal Entry to show the effect of both transaction in single LEDGER. (As we have to recive amount from single party only).