Valcros manufactures custom-built turbines. A customer offers to pay 2,400,000 on order, 4 years before delivery, instead of 3,000,000 on delivery, the price it would pay in cash at that date. Valcros accepts in order to finance production without borrowing. Its finance director proposes to recognise a contract liability of 2,400,000 and to release it unchanged to revenue on delivery. Which analysis do you retain?