Refer to the table below. Good Beginning price Beginning quantity Ending price Ending quantity A $2.50 100 $2.30 150 B $4.60 250 $4.20 330 C $3.10 580 $2.70 610 D $1.20 920 $1.10 980 Using the midpoint method, calculate the elasticity of demand for Good B. a. (2 points) Write the equation you would use to compute the elasticity of demand for Good B. b. (2 points) Report the elasticity of demand for Good B. Round the final answer to two decimal places. c. (2 points) Is the demand for Good B elastic or inelastic? Explain