The unemployment rate is supposed to measure ________. It is an imperfect measure because ________.

Select one:

a. the underutilization of labour resources / it includes part-time workers and excludes discouraged workers

b. the percentage of the working-age population who are unemployed / it is impossible to count everyone in the working-age population

c. the underutilization of labour resources / it excludes some underutilized labour and some unemployment is unavoidable

d. the percentage of the labour force who is unemployed / it is impossible to count everyone in the labour force

e. the number of unemployed plus the number of marginally attached workers expressed as a percentage of the labour force / it excludes the marginally attached workers because Statistics Canada considers them as employed