I have attached a pic of the Canada CPI annual 2016-2020 .I need some help understanding the following :

A. calculate the inflation rate for each of the eight main items between 2019 and 2020 (show and explain all calculations).Which item showed the highest rate of inflation from 2019 to 2020?Which item showed the lowest rate of inflation?Why? please explain your answer

B. Calculate the inflation rate for two special aggregates separately between 2019 and 2020 (show and explain all calculations). Which of the two aggregates showed the highest rate of inflation? Which item showed the lowest rate of inflation? Why? Please explain