Scenario 5.1 The Demand for Noodles Is Given by the Following Equation

Multiple Choice

Scenario 5.1
The demand for noodles is given by the following equation: Q = 20 - 4P + 0.2I - 2P_x. Assume that P = $8, I = 200, and P_x = $10.
-Acme Tools manufactures anvils, a forging tool. When the price of anvils was increased from $7 to $13, Acme Tools was willing and able to increase production from 1 to 4 units per day. Using the midpoint formula, what is Acme's price elasticity of supply for anvils?

A) 2
B) 1
C) 0.5
D) 4
E) 3.5