Shyl; gL-; 1 7 (JD-\"h In which cases change in price has bigger effect on total revenue than change in quantity when the demand is elastic 0 when the demand is inelastic 0 when the demand in unit elastic 0 when the is innitely elastic 0 news; ab]; 1 8 d'w' An increase in demand caused no change in the equilibrium price. Thus, supply must be perfectly inelastic O inelastic O elastic O perfectly elastic 0 news; ab]; 1 9 J'J'l' When there are more substitutes for a product, the for the product is