I tried to explain this to our finance team, but they just gawked at me with a stunned look of disbelief. To be fair, I did notice were busy colouring in money

I tried to explain this to our finance team, but they just gawked at me with a stunned look of disbelief. To be fair, I did notice were busy colouring in money with different felt tip pens. “This is ‘blue’ money and it can’t be mixed with the ‘red’ or ‘green’ money. That would be silly!”