Suppose the Market Demand Curve Is Given By $P = 100 - 2 Q$

Multiple Choice

Suppose the market demand curve is given by $P = 100 - 2 Q$ . If one Cournot duopolist produces $Q _ { 1 } = 10$ , the residual demand curve faced by the other Cournot duopolist is:

A) $P = 90 - 2 Q _ { 2 }$ .
B) $P = 80 - 2 Q _ { 2 }$ .
C) $Q _ { 2 } = 80 - P$ .
D) $Q _ { 2 } = 80 - 2 P$ .