22 If, in response to an increase in investment of S10 billion.equilibrium income rises by a local of SSO billion, then the marginal propensity to save is (A) 0.1 (B) 0.2 (C) 0.5 (D) 0.8 (E) 0.9.​

22 If in response to an increase in investment of S10 billionequilibrium income rises by a local of SSO billion then the marginal propensity to save is A 01 B 0 class=