Suppose a pizza chain determines that the price elasticity of demand for its pizza is -0.75, and the

price of a pizza is currently $4.00. What will be the effect on quantity demanded for this chain's pizza

if the price is increased to $6.00?

a) Quantity demanded will fall by 30%.

b) Quantity demanded will fall by 40%.

c) Quantity demanded will fall by 75%.

d) Quantity demanded will fall by 90%.