Any colour as long as it isn't red

An interesting flyer found its way through our letterbox the other day from a local Xerox representative.

Inside the glossy pages was this little gem about using colour in print...
Information is communicated 55% better in colour than in black and white.
Invoices that include colour are paid 30% faster than standard black and white.
Customers' recall of your communication is 80% greater when it includes colour.

The source wasn't quoted, but if those figures are anywhere near like real, then expect very colourful invoices in future but preferably not the spot red variety.