In March 2021 Qantas introduced flights to the regional centre of Mount Gambier in South Australia. For the prior 14 years, the regional airline, REX, had a monopoly on this air service. The ABC news item is available at:

https://www.abc.net.au/news/2021-03-28/qantas-flights-arrive-in-mount-gambier/100028410?utm_source=abc_news_web&utm_medium=content_shared&utm_content=mail&utm_campaign=abc_news_web

Q1)If the single price assumption is relaxed, what pricing strategies may REX have previously employed?