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)

Use the figure below to answer the following questions.

Real wage rate (2002 dollars per hour) 25 IS 20 15 10 5 LD 50 100 150 200 250 300 Labour (billions of hours per year)