Answer:
a. Invoice
c. Purchase order
d. Voucher
Explanation:
Voucher system can be regareded s method used in authorization of the the disbursement of cash. In this system, A voucher will be filled out, this filled voucher will give amount to
be paid for as well as account number to be charged. After the approval of the voucher , there will be authorization of the disbursement system so that payment can be issued.
It should be noted that the Management uses a voucher system to help control and monitor cash payments. the key documents that are part of a voucher system of control are;
✓Invoice
✓ Purchase order
✓Voucher
