All well and good, if the paint had a limited shelf life.....
But surely, the analogy needs to be something like:
"Ok, that's £50 for the paint, and a £5 shelf management charge, £10 for parking outside, VAT, 40p to pay by plastic (and we don't take cash or cheques by the way), 50p M O'L Guiness fund, 50p per minute cashier allocation time, 5p for lighting if you use the store after dark, 75p wheelchair depreciation charge..."
Maybe still better than what you may get at "Easypaint" - any colour you like, as long as its orange...
[COLOR=orange]