On 4th April 2022, Rege sent a WhatsApp to Phoebe offering to sell his Iphone 13 Pro for RM4,000. One of the conditions mentioned in the offer is that the acceptance must be made by 6th April 2022 before 4pm by replying to the WhatsApp. Phoebe read the WhatsApp on 6th April 2022 at 5pm. Nevertheless, she still replies to the WhatsApp accepting the offer and immediately bank in the amount of RM4,000 to Rege's account. Rege informed Phoebe that the IPhone has been sold to Amanda. He will return the money back to Phoebe. Phoebe insisted that there is a contract between them because she had transferred the money to Rege's bank account. Advise Rege and Phoebe on the validity of the contract. [25 Mark]