Pre-paid PO !

Hi all !

I have a scenario like :

I have bought a Item A from S Vendor, But before i receipt a goods I should paid 20% of Total PO amount.

After receipt all item in to store , S vendor issue Invoice and i paid 80% 0ff total PO amount.

In SAP B1, can i record all transaction and all transaction linking togetther ?

Can you help me !