Suppose a company is reviewing its ticket releasing campaign for an upcoming Wonderland summer festival. The company plans to release a first set of tickets with a 20% discount which is meant for the 'believers' in the festival, that is, the group of the general population that has followed the festival over the years and are now fans of it. You also know the venue can accommodate 1400 people. As consultants, your team have carefully estimated the following cumulative distribution for the demand of the full fare tickets:

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