Don't need explanation, just right answers

8. Identify all of the following Central Bank loss functions that fit this description: The Central Bank wants to keep unemployment at 4%, minimize inflation (but avoid deflation), and cares more about achieving minimal inflation. O A. L(1, x) - (1 - 4) + 2 O B. L(4, X) - 5(1 - 4)+22 O C. L(L, *) - 3(u - 4) + 10#2 O D. L(L, A) = (1 - 4) + 32 O E. L(u, *) = (1 - 4)+2-2 OF. L(u, x) = (1 - 4)2+ (2) 9. If the Central Bank has a rule to maintain steady interest rates at the long-run equilibrium ," , how should they respond to an increase in investment demand? O A. buy bonds to increase the money supply B. sell bonds to increase the money supply O C. buy bonds to reduce the month supply O D. sell bonds to reduce the money supply E. do nothing, the interest rate is sticky in the short-run