The reference base period for the CPI is $1982-1984.$

In January $2016,$ the CPI was $236\mathrm{.}9.$

What does this number tell us$?$

This number tells us that the services was $$ of the prices paid by urban consumers for a fixed basket of consumer goods and

A$.$ average; $236\mathrm{.}9$ percent higher in January $2016$ than the average of $1982-1984$

B$.$ inflation rate; $136\mathrm{.}9$ percent per year

C$.$ inflation rate; $36\mathrm{.}9$ percent per year

D$.$ average; $136\mathrm{.}9$ percent higher in January $2016$ than the average of $1982-1984$