Computation of real rate of return

You are given the following long-run annual rates of return for alternative investment instruments:

U.S. Government T-bills	3.50%
Large-cap common stock	11.75
Long-term corporate bonds	5.50
Long-term government bonds	4.90
Small-capitalization common stock	13.10

The annual rate of inflation during this period was 3 percent. Compute the real rate of return on these investment alternatives.