In this section, write whether each statement in the questions is True, False or

Uncertain. Please fully support your answer, using a diagram if appropriate. No

credit will be given for an answer without an explanation.

Question: A local restaurant currently charges $20 for a popular fish dish and each night 100

customers order this dish. The same restaurant also has a side-order of chips on the

menu at a cost of $5 per serve. When the price of chips increased to $5.50 sales of the

fish dish fell to 90 customers per night. Claim: These two dishes are strong substitutes.