If an investor's ex ante inflation expectations are correct, what is the implication for the relationship between the ex-ante desired real rate of return and the ex-post realized real rate of return?

1. the ex-ante desired real rate of return is higher than the ex-post realized rate of return

2. the ex-ante desired real rate of return is the same as the ex-post realized rate of return

3. the ex-ante desired real rate of return is lower than the ex-post realized rate of return

4. none of the above