Suppose When the Price of Coffee Beans Goes from $1

Multiple Choice

Suppose when the price of coffee beans goes from $1 to $1.20 per pound,production increases from 90 million pounds of coffee beans to 110 million pounds per year.Using the mid-point method,the percentage change in quantity supplied is:

A) 20 percent
B) 18 percent
C) 0.6
D) 6.0