(a) Dina invests \$600 for 5 years at 2% annual compound interest. Find the final value. [2]

A gold ring increases in value by 5% per year. It is now worth \$882.

(b(i)) Find its value 2 years ago. [2]

(b(ii)) How many complete years does it take for its value to become greater than \$1100? [2]