Mr. Red had purchased a car by way of hire purchase financed by Interest Finance Sdn. Bhd. During the meeting with Interest Finance Sdn. Bhd., Mr. Red was instructed to sign a hire purchase agreement. However, the agreement did not provide details about the date of payment, duration of instalment and the amount of final instalment. When Mr. Red insisted the information to be stated in the agreement, Interest Finance Sdn. Bhd. said they will fill it up later. Mr. Red then signed the agreement and the car was delivered to him. Advise Mr. Red on the validity of the hire purchase agreement. Support your answer with the provisions in Hire Purchase Act 1967 and decided cases (if any).