Hi please help with this question, I need a detailed explanation and calculation, thanks:

Question 1: Are some Olympic games more expensive?

Adult ticket prices for games at the 2021 Tokyo Olympics were as follows. Unfortunately, due to COVID, sales did not materialise.

The table below presents a sample of ticket prices for different games that were played as part of a sport at the Olympics in Japan in 2021. At the time of setting these prices, the organisers did not know which team would win the pool matches; nor did they know which teams would make it to the finals. The four venues are in various cities in Japan, and the seating capacity varies from 38 000 (at Venue 2) to 82 000 (at Venue 1). There are four categories of adult tickets; in descending order from most expensive to cheapest, they are category A, category B, category C and category D.

MATCH TEAM 1 TEAM 2 CAT A CAT B CAT C CAT D Pool Al Japan Fiji JPY315 JPY215 JPY160 JPY75 Pool D1 France Italy JPY250 JPY175 JPY125 JPY50 Pool B2 Scotland Namibia JPY85 JPY65 JPY35 JPY20 Pool A3 Wales Fiji JPY175 JPY125 JPY85 JPY50 Pool C3 New Zealand Georgia JPY150 JPY115 JPY75 JPY50 Pool Al Japan Australia JPY315 JPY215 JPY160 JPY75 QF 11 Winner Pool B Runner-Up Pool A JPY250 JPY215 JPY150 JPY95 QF 41 Winner Pool A Runner-Up Pool B JPY250 JPY215 JPY150 JPY95 SF 11 Winner QF 1 Winner OF 2 JPY515 JPY315 JPY215 JPY125 SF 21 Winner QF 3 Winner QF 4 JPY515 JPY315 JPY215 JPY125 BE4 Runner-Up SF 1 Runner-Up SF 2 JPY175 JPY125 JPY85 JPY50 Final1 Winner SF 1 Winner SF 2 JPY715 JPY515 JPY315 JPY150