1. An economy is currently in equilibrium. The following figures refer to elements in the national income accounts. $ Billions Consumption (total) 60 Investments 5 Government expenditure 8 Imports 10 Exports 7 a. What is the current equilibrium level of national income? (5mks) b. What is the level of injections? (5mks) C. What is the level of withdrawals? (2mks) d. Assuming that tax revenues are $7 Billion, How much is the level of savings? (5mks) e. If national income now rose to $80 billion and as a result, the consumption of domestically produced goods rose to $58 billion, what is the mpca? (5mks) f. What is the value of the multiplier? (5mks) g. Given an initial level of national income of $80 billion, now assume that spending on exports rises by $4 billion, spending on investment rises by $1 billion, whilst government expenditure falls by $2 billion. By how much will national income change? (3mks)