question_answer2) The price elasticity of supply of a commodity is 2.0. A firm supplies 200 units of it at a price of Rs. 8 per unit. At what price will it supply 250 units?
question_answer3) When the price of a commodity falls by 20 per cent, its demand rises from 400 units to 500 units. Calculate its price elasticity of demand.
question_answer7) In an economy C = 200 + 0.75 Y is the consumption function where C is consumption expenditure and Y is national income. Investment expenditure is 4,000. Calculate equilibrium level of income and consumption expenditure.