During class recess, you and your classmates had a short discussion about economics. Ali said, "The most important macroeconomic objective is full employment because it helps to maintain zero unemployment in the country." Tan said, "I think price stability is a more crucial macroeconomic goal as zero inflation is the best for our economy." John said, "Money supply with the narrowest official definition is M1." Muthu said, "The difference between M1 and M3 are narrow near monies."

Do you agree with each of their statements? If you agree, explain why the statement is correct. If you disagree, justify why the statement is wrong