Part of a table showing the amount of money in Rafael's bank account is given below. The account pays simple interest. He deposited an amount of money at the start and hasn't added or removed any since. a) Work out how much money Rafael deposited in the account. b) Work out the annual interest rate on this account. Give your answer as a percentage (%) to 1 d.p. After 5 years After 6 years £1690.50 £1752.60​