= Assume the following price and quantity observations describe the demand curve facing a firm selling a farm input: P1 $40 Q1 32 $43 Q2 30 P3 $56 Q3 28 P4 $59 Q4 26 P5 $72 Q5 20 P6 $75 06 18 P7 = $78 Q7 14 P8 $81 08 12 Show your calculations A (6 points) Situation A: What is the arc elasticity of demand between prices P1 and P2? = B.. (6 points) Situation B: What is the arc elasticity of demand between prices P3 and P4? C.. (6 points) Situation C: What is the arc elasticity of demand between prices P5 and P6? D. (6 points) Situation D: What is the arc elasticity of demand between prices P7 and P8