(i) (iii) Given a consumer price index of 154.5 in the year 2019 and 165.3 in 2020, calculate the rate of inflation in 2020. [1] The average price of a car was 35,650 in 2019. Calculate the revised price in 2020 based on the rate of inflation calculated in part (i). [1] Assume that in 2019 Robert has invested 2000 in a bank account, which pays an annual interest rate of 6%. After a year has passed, he is paid 120 in interest. Explain whether Robert is now better off than he was the year before based on your answer in part (i). [2] [Total 4]