Create a html web page that using functions to display the cost of a movie ticket for a customer. The user should be prompted for the age of the customer. The output should be a message in an alert telling the user what the customers ticket will cost, based on the following criteria: Under age 5 entry is free Between ages 5 and 12 (inclusive) a childs ticket costs $5.00 Older than 12 an adult ticket costs $9.00