Accounting Effects

Sales
Customer A/C (i.e Debtors) Dr Debited
Sales A/C Cr Credited

Receipt Of Sales
Customer A/C (i.e Debtors) Cr Credited
Cash/Bank A/C Dr Debited

Purchase
Supplier A/C (i.e Creditors) Cr Credited
Purchase A/C Dr Debited

Payment Of Purchase
Supplier A/C (i.e Creditors) Dr Debited
Cash/Bank A/C Cr Credited