The Inflation Rate Has Been 4 Percent for Twenty Years

The inflation rate has been 4 percent for twenty years, and the nominal interest rate has been 8 percent during this same time period. Suddenly, the public anticipates that the inflation rate will be 8 percent this coming year. The real rate of interest for the coming year is

A) 0 percent.
B) 2 percent.
C) 4 percent.
D) 6 percent.