Short-run Tradeoff between inflation rate and unemployment rate

a.  
 If you were macroeconomic policymaker, how do you balance the
short-run tradeoff between inflation rate and unemployment rate?
Explain.

b.  
 What is the historical relationship between rates of unemployment and
inflation in the U.S. economy? What are the most current figures for the
unemployment rate and the inflation rate? What does this say about the
U.S. economy today?