You're in the cruise across the pond having just crossed the iso-dollar line when you realise that if you land 15 minutes early you can claim an extra lunch allowance. Do you:
a) Stay at long range cruise?
b) Consider increasing the cruising speed to M0.88 thus making the 'lunch critical landing' , but discount the idea as being unethical bordering on the fraudulent?
c) Consider increasing the cruising speed to M0.88 thus making the 'lunch critical landing', but discount the idea as being an appalling waste of taxpayer's money?
d) Open them up?