Calculate the percentage change of the variable in each of the following cases. Then calculate the percentage change if the movement is occurring in the opposite direction, with what was the final value now the initial value and vice versa. Now calculate a comparable percentage change using the average of the initial and ending values. Express all three changes in absolute value form without positive or negative signs and as whole numbers (i.e. 67%, not 66.6%). a. A fast-food restaurant, which originally sold hamburgers at a price of $2, Increases their price to $4. %, the absolute value of the percentage change in the opposite direction is %. The absolute value of this percentage change is %, and the absolute value of the percentage change calculated using the average of the two values is b. The number of autos sold monthly at a car dealership drops from 250 to 150. The absolute value of this percentage change is ]%, the absolute value of the percentage change in the opposite direction is %, and the absolute value of the percentage change calculated using the average of the two values is %. c. The monthly fee for unlimited texting charged by a cellphone service provider falls from $8 to $4. The absolute value of this percentage change is %, the absolute value of the percentage change in the opposite direction is %, and the absolute value of the percentage change calculated using the average of the two values is d. The number of copies of a small-town newspaper purchased weekly rises from 500 to 2,000. The absolute value of this percentage change is %, the absolute value of the percentage change in the opposite direction is %, and the absolute value of the percentage change calculated using the average of the two values is %.