below diagrams. Other things equal, an interest rate increase will: A GraphThis Diagram shows two graphs one showing combination between investment and GDP on Y and X axis respectively with a curve labelled B parallel to X axis another showing combination between investment and rate of return and investment on Y and X axis respectively and a linear curve marked as A. Multiple Choice shift curve A to the left and shift curve B downward. leave curve A in place but shift curve A upward. shift curve A to the right and shift curve B upward. leave curve A in place but shift curve B downward