1. Consider a simple macro model with demand-determined output and the following specific parameter values: MPC out of disposable income = 0.6, MPC out of national income = 0.48 and marginal propensity to import = 0.2. Then, the personal income tax rate in this economy is __________ and simple multiplier is ___________.

A. 10%; 1.51

B. 20%; 1.38

C. 15%; 1.33

D. 20%; 1.66