Variable costs :

Total costs that change in direct proportion to a change in the number of units

Vendor :

A business from which merchandise is purchased or supplies or other assets are bought

Voucher :

A business form used to show an authorized person’s approval for a cash payment

Voucher check :

A check with space for writing details about a cash payment

Voucher register :

A journal used to record vouchers

Voucher system :

A set of procedures for controlling cash payments by preparing and approving vouchers before payments are made