Please answer all the 4 questions.

Why is it necessary today for some contracts to be wholly in writing and some contracts to be evidenced in writing? Discuss. What sort of problems may arise in contract law for users of e-commerce? Discuss. Hint: Students should refer to the traditional methods of commerce such as 'face-to-face and 'agreements by post' and compare and contrast these methods with the new technology, which has given rise to e- commerce. In particular, students should discuss: how, when and where the offer and acceptance are made; e-commerce and the invitation to treat; identification of the parties, including their physical place/s of business (if a dispute arises, how do you contact the other party, how do you serve documents, etc?): what are the terms of the contract and have they been brought to the attention of the other party? and methods of payment and delivery. List three elements that are necessary for the creation of a valid simple contract. Explain the difference between a formal and a simple contract