Time left 0:15:04 If exports increase by $10 billion and the MPC is 0.9, Marginal propensity to spend is also 0.9, and suppose there are no income taxes. What will be the resulting increase in the private saving? Select one: hs O a. $9 billion cross out O b. $1 billion Cross OL O c. $10 billion cross o d. $90 billion Cross e. None of the above Cross Last saved at 9:03:45 Nex ous page