I need to know the answer to this and why relative to the reasoning by the percentage rate decrease.

Everything else held constant, if the expected return on U.S. Treasury bonds falls from 8 to 7 percent and the expected return on corporate bonds falls from 10 to 8 percent, then the expected return of corporate bonds ________ relative to U.S. Treasury bonds and the demand for corporate bonds ________. Rises or falls for each fill in the plank