Discuss whether a legally enforceable contract has been formed in each of the following circumstances. You should refer to relevant case law where applicable. Address only contract law issues.

Leroy wants a new website developed for his business which he operates as a sole trader. He approaches three different website developers for quotes. Leroy has provided each developer a brief to assist them to quote for the work. At Leroys request all quotes are mailed to Leroys postal address. Developer A provides a quote that does not cover some of the work that Leroy specified in the brief. Leroy sends an email back to Developer A to request an additional quote for the remaining work. Developers B and C both provide acceptable quotes with Developer Bs quote being the lower priced quote. Leroy writes to accept the quote of Developer B and posts the letter. Before Developer B receives the letter, Developer C offers to lower its quoted price. Leroy rings Developer B cancelling his letter of acceptance. He then sends an email to Developer C to accept their quote. (5 marks)