Five hundred raffle tickets are sold at ₱25 each for three prizes of ₱4,000, ₱2,500, and ₱1,000. After each prize drawing, the winner ticket is then returned to the collection of tickets. What is the mean or expected value if a person purchases four tickets?

x

₱3,900

₱2,400

₱900

-₱100

P(x)

4/500

4/500

4/500

496/500