During an industrial maintenance contract, Orvanel observes several events. Which of them may change the transaction price?Your answerAIssuing an advance invoice provided for from the outset in the contract's billing schedule.BThe resolution of an uncertainty about an equipment availability bonus.CA change in circumstances altering the consideration to which Orvanel expects to be entitled.DCollecting part of the consideration already provided for in the contract.EA contract modification approved by the parties that changes its price.SubmitHint