p=100−qp=100-qp=100−q, n=10n=10n=10 firms, ci(qi)=qic_i(q_i)=q_ici(qi)=qi. Total deadweight loss is
(The intended options correspond to 922,922,1022,10022\frac{9^2}{2},\frac{9^2}{2},\frac{10^2}{2},\frac{100^2}{2}292,292,2102,21002, the first being 922\frac{9^2}{2}292.)
922\dfrac{9^2}{2}292 \qquad
1022\dfrac{10^2}{2}2102 \qquad
10022\dfrac{100^2}{2}21002
