Homework Answers
1) Qs = 5 - Ps - 2Ph
If price of Ph goes up by $2, Qs would change by -4 as coefficient of Ph is -2
Option D is correct
2) P = 100 - (1 / 10) * Q
P = $2
2 = 100 - (1 / 10) * Q
Q = 980
As there are 10 coffee shops, per shop sale of coffee is (980 / 10) = 98
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