Year price quantity demanded Real Income Price of Substitute
1 .95 200 11000 .65
2 1.10 180 11000 .65
3 1.10 190 11500 .65
4 1.10 200 11500 .90
5 1.10 170 11500 .90
6 .99 190 11500 .90
7 .99 175 10500 .90
8 .99 150 10500 .62
Compute all meaningful price, income, and cross elasticity coefficients.