A theatre that sells a ticket for a comedy show. The ticket price is 3 Rials to have a seat and watch the show. There is a snack to be given to each ticket buyer that cost 1 Rial. Now, consider this scenario: There are about 50 seats that are not sold and the show is few minutes to start and there is a standby customer willing to buy the ticket by price less than 3. What is the minimum price the theater can offer? Explain the logic about your answer.