2)If the CPI in September 2021 was 142.9 (all items not seasonally adjusted), and inflation from September 2021 to September 2022 was 6.9%, calculate the CPI for September 2022. Fully show your calculations (4 Marks). Hint: See "Measuring the Inflation Rate" in Chapter 5.

3)If in Canada the working-age population is 38 million, 18.5 million are employed, 1.5 million are unemployed, and 2 million of the employed are working part-time, half of whom wish to work full-time. Calculate the involuntary part-time rate and explain what it measures. Fully show your calculations (3 Marks)