!3 ''Check the initial point balance for a client is zero'' |'''check'''|point balance for client|Joanna|0.00| !3 ''Pay using a voucher. No award is given no matter what.'' |''begin transaction for client''| Joanna |''staff''| Bill| |''rent''|6||coffee dispenser|''for''|3 days| |''pay with voucher $''|150.00| |''complete transaction''| !3 ''Check the point balance for a client is still zero'' |'''check'''|point balance for client|Joanna|0.00|