Walter lives in Chicago. He is an avid sports fan. He loves to visit games any time he can. There is no way to buy a season ticket to see games in different sports, so he buys single tickets. The prices for the tickets for each venue are: • Cubs (Baseball): $200 • Blackhawks (Hockey): $280 • Bears (Football): $470 Walter can go to unlimited number of performances and buy any ticket each time. You are to inquire about the total numbers of each ticket type bought You need to calculate how much Walter spent in total and what was the average price of watching the games. Use as many concepts as possible and make sure that you use interactive entry.