Here's Where Canadians Are Finding Well- Paying Jobs in the Trades Thousands of Canadians are finding jobs in the trades. Canada must attract 167,739 new apprentices over the next five years to keep pace with current demand. A well-paying job in the trades requires apprenticeship and certifi- cation. For example, four years after certifica- tion, heavy duty equipment technicians carn an average annual salary of $107,220. Agricultural equipment technicians earn about $35 an hour. Source: cbc.ca, July 23, 2019

a. Why do workers in different trades have dif ferent salaries?

b. Draw a graph of the labour market for heavy duty equipment technicians and for agricul- tural equipment technicians to illustrate your explanation of the differences in the salaries of these two groups.