Y : How much is the coke?
A : Seventy pence.
Y : OK. Here's a pound.
A : Thanks. That's thirty pence change.
Y : How much are the sweets?
A : Ninety-eight pence.
Y : Ok. Here's a pound.
A : Thank you. That's two pence change.
Y : How much is the ice cream?
A : Fifty pence.
Y : OK. Here's a pound.
A : Thanks. That's fifty pence change.