The attorney's practice should, within a reasonable time after the performance or earlier termination of any mandate, account to his client in writing and retain a copy of each such account for not less than five years. Which of the following information should be included on the account statement: i) All amounts, appropriately explained, received in connection with the matter concerned. ii) All expenses incurred and other payments regarding the matter. iii) Fees and other charges levied or raised against the client and in instances where a fee has been agreed upon, the fact that it was agreed upon without any amounts. iv) The amount owing to or by the client. Select one: a. i and ii b. i, ii, iii and iv c. i, ii and iv d. ii, iii and iv