Suppose Demand Is Given By $Q ^ { d } = 1,000 - 25 P$

Multiple Choice

Suppose demand is given by $Q ^ { d } = 1,000 - 25 P$ and supply is given by $Q ^ { s } = 75 P$ . At the equilibrium price and quantity, the price elasticity of demand is

A) $- 3$
B) $- 25$
C) $- 1 / 3$
D) $- 10$