help me with this

(a) Describe THREE reasons why the money multiplier and bank multiplier may differ from each other. [6 marks] (b) Describe the THREE main functions of money. [3 marks] (c) The following table shows items in the balance of payments accounts for a country (in billions): Balance of trade in goods 250 Balance of trade in services +230 Income balance 80 Net current transfers 30 Capital account balance +10 Net direct investment +50 Balance of other investments and financial flows +100 Reserve assets 20 Calculate: (i) the balance of trade. [1 mark] (ii) current account balance. [2 marks] (iii) financial account balance. [2 marks] (iv) net errors and omissions