Hi, I need help to answer these question please

a. Why is it easier for a central bank to deal with demand shocks than with supply shocks? For questions, I), and c. An economy is initially described by the following equations: C=S+.T5(Y-Tl,=1=l-50I, WYZUDI (3:800 T=S M= P=3 1). Suppose a newly elected president cuts taxes by 26%. Assuming the money supply is held constant, what is the tax multiplier? c. What is the equilibrium interest rate after the tax cut