'Investment multiplier and Marginal Propensity to Save are indirectly related to each other.' Explain with the help of numerical example.

Investment multiplier (K) and Marginal Propensity to Save (MPS) are inversely related.Suppose, the value of MPS = $\displaystyle 0$·$\displaystyle 2$Then, the value of K = $\displaystyle \frac{1}{MPS}$ = $\displaystyle \frac{1}{0.2}$ = $\displaystyle 5$Suppose, the value of MPS = $\displaystyle 0$·$\displaystyle 4$Then, the value of K = $\displaystyle \frac{1}{0.4}$ = $\displaystyle 2.5$Thus, it is clear from illustration mentioned above that there exists inverse relationship between MPS and investment multiplier. As MPS rises, the value of investment multiplier falls.