The cost of viewing the first film is $1 and the total cost spent to watch the film in the festival equals $21.
This refers to the amount that is expended on an activities such as expenses, manufacturing, purchase of goods.
Given data
Cost of admssion to the festival is $20
Cost of a viewing a film is $1
In conclusion, the cost of viewing the first film is $1 and the total cost spent to watch the film in the festival equals $21.
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