Mr L: Do you mind if we change the frequency of our window cleaning?
Me: Well as I mentioned we only do monthly or two monthly cleans; that's the longest regular time we do.
Mr L: Oh I remember you saying. I wanted to go monthly as every two months is a bit of a stretch.
Me: (Light bulb going on) Ah right, sure.
£25 at the mo'. I might drop it to £22 but he hasn't asked so I might not.