22. 52,000 spectators were at Stanford bridge stadium to watch a match between Chelsea and Barcelona. Tickets were sold for £50.00, £100.00, £200.00 and £500.00. Eleven times as many as bought the £500 tickets bought £100.00 tickets, and thrice as many people who bought £100.00 tickets bought the £50.00 tickets. 7000 people bought £200 tickets. Find how much revenue was collected that day from gate proceeds. ​