minL = L0+,8L1 +62L2+ = 23% i=0 1 Lt=6(7rt7i)2+(ut), t=0,1,...,oo utz(WtWf), t=0,1,...,oo. As in class, assume 7?

Q: Consider the Barro-Gordon model. The monetary authority minimizes losses from unemployment and inflation subject to the Phillips curve. Then pls check the photo. 

Thanks a lot!!!!!! I need find the enforceable range of pai*