the following ques1ons about this model: a. With layout = line and rules = normal, how many price-loca1on combina1ons must a shopkeeper check each 1ck in determining her highest expected revenue? (ignore the special case of shops located at the ends of the line) b. With layout = plane and rules = normal, how many price-loca1on combina1ons must a shopkeeper check each 1ck in determining her highest expected revenue? (ignore the special case of shops located on the boundary of the area) c. Why might a shop's expected area-count or revenue differ from its actual area-count or revenue