Fuel oil discount

This is fun! Migrol offers a tickdown auction of fuel oil where the price moves down 5 Centimes every minute from the top end of a 5% band to the bottom unless somebody orders. That way, you can get a fairly decent price (considering ...) - you just have to make sure that you check at an ungodly hour where noone else thinks of buying oil, and then you can extrapolate the time when the price touches the low band.

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