HI TUTOR, PLEASE HELP TO SOLVE THIS MACROECONOMICS QUESTIONS. I NEED A PROPER EXPLAINATION'S. AND PLEASE DONT COPY FROM ANY OTHER WEBSITE, EXP: CHEGG. THANK YOU

MACROECONOMICS MONEY AND MONETARY POLICY Question 1 a) What is the main problem with a barter system? Briefly explain and give an appropriate example. b) State the function of money for each statement below and explain your answer. i) Before Ahmed buy a new car, he visits four local dealerships and collect information on the prices and features of the cars. ii) Ahmed has recently bought a new Samsung Galaxy Note II mobile phone. iii) Ahmed keeps his money in the saving accounts, one of the banking facilities offered by Maybank. iv) Ahmed's mother loaned him RM1,800 for him to buy a brand-new Samsung Galaxy Note IV mobile phone and promised to pay back his mother next month.Question 2 During World War II, cigarettes were used as money in prisoner of war camps. Considering the attributes that good money should possess, why would cigarettes emerge as money among prisoners?Question 3 Suppose that all commercial banks in Arora have zero excess reserve, and the public must keep their money in the bank. Fairytale Bank is one of the commercial banks in Arora. Fairytale Bank receives a cash deposit of $570,000 by Mr. Mufasa who opens up a new checking account. Assume that a required reserve ratio is 13 per cent. Based on the information given: a) Construct a balance sheet for Fairytale Bank. b) If the whole amount of the excess reserve in the Fairytale Bank is lent out to Mrs. Puff, who then deposited the money in the Lion King Bank, construct the balance sheet for the Lion King Bank. [Assume that the Lion King Bank holds no initial deposits.] c) Calculate the total deposits, total reserves and total loans created by this economy.Question 4 Why should the government opt for expansionary monetary policy during unemployment and contractionary monetary policy during inflation