PLEASE EXPLAIN YOUR ANSWER IN IRAC FORMAT: ISSUE, RULE, APPLICATION, CONCLUSION

A offers by letter to sell his Dell computer to B at the price of US$700. A also indicates in his letter that the computer will be available for pickup from 5 March and the offer is valid for ten days as from the date of the offer. Please accept by post. In response to A's letter, B sends a letter to A. In B's letter, he expresses his acceptance to buy A' computer but wants A to deliver the computer to B's office. A offers to sell his computer to C on the same terms and conditions as what has been offered to B B telephones A and tells him that he wants to buy A's computer. C sends a letter to A to reflect his acceptance to A's offer. A receives the letter dated March 2 from B. Apply Australian Law to determine who will be entitled to buy the computer from A and determine the date on which the contract is formed.