In an economy C=200+0.75Y is the consumption function where C is consumption expenditure and Y is national income. Investment expenditure is 4000. Calculate equilibrium level of income and consumption expenditure.

C=50+0.5Y is the consumption function where C is Consumption Expenditure and Y is National Income. Investment expenditure is 2,000 in an economy Calculate(i) Equilibrium level of (National) Income, (ii) Consumption expenditure at equilibrium level of national income.

C=100+0.4Y is the consumption function of an economy where C is Consumption Expenditure and Y is National Income. Investment expenditure is 1,100 Calculate(i) Equilibrium level of National Income, (ii) Consumption expenditure at equilibrium level of national income.

In an economy C=200+0.5Y is the consumption function where C is the consumption expenditure and Y is the national income. Investment expenditure is 400 crore. It is the economy in equilibrium at incom level 1500 crores? Justigy your answer.