What has been the relationship between T$-$Bill rates and inflation rates since the $1980$s$?$

Multiple Choice

The T$-$Bill rate was sometimes higher than, and sometimes lower than, the inflation rate.

The T$-$Bill rate has equaled the inflation rate plus a constant percentage.

The inflation rate has equaled the T$-$Bill rate plus a constant percentage.

The T$-$Bill rate has been higher than the inflation rate almost the entire period.

The T$-$Bill rate has been lower than the inflation rate almost the entire period.