Ellie owns a 1926 Rolls Royce and in order to raise a deposit for her new house she decided to sell the Rolls Royce to Sam, a mechanic for 500,000 TK as part the deal Ellie agreed to have it restored for Sam. Ellie asked Richard a vintage car restorer to carry out the work within 8 weeks for 80,000 TK. A month later Sam refused to have the car on time as he was going to sell it on and had a purchaser for it for 500,000 TK and so he offered to give 400,000 TK. can Ellie insist on full payments promised by Sam.