Suppose a Decrease in the Supply of Wheat Results in an Increase

Multiple Choice

Suppose a decrease in the supply of wheat results in an increase in revenue.This indicates that

A) the decrease in quantity sold is proportionately larger than the resulting change in price.
B) the resulting increase in price is proportionately greater than decrease in quantity sold.
C) the demand curve for wheat must be vertical.
D) the supply curve for wheat must be vertical.