(Advanced Analysis) Given the following diagrams: Q1 = 12 bags. Q2 = 7 bags. Q3 = 19 bags. The market equilibrium price point b is $46 per bag.
The price at point a is $70 and the price at point c is $10 per bag. The price at point d is $56 and the price at point e is $31 per bag. The price at point f is $67 and the price at point g is $32 per bag.
Apply the formula for the area of a triangle (Area = ½ × Base × Height) to answer the following questions.