An online Merchant estimates the price elasticity for rice is estimated to be -0.4 and the income elasticity is 0.8. At a price of $0.40 per pound and a per capita income of $20,000, the demand for the rice is 50million tons per year.
Required;
a) If per capita increases to $20,500, what will be the quantity demanded of rice.
b) If price of rice increases to $0.41 per pound and income remains at $20,000, what will be the quantity demanded.