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U 10. A ticket for the local play cost $1 1 last year, with a total of 400 tickets sold. This year, the theatre company plans to increase ticket sales to increase revenue. Studies show that for every $1 increase in ticket price, the company can expect to sell 20 fewer tickets. a) What ticket price will maximize revenue? b) What is the maximum revenue?U 10. A ticket for the local play cost $1 1 last year, with a total of 400 tickets sold. This year, the theatre company plans to increase ticket sales to increase revenue. Studies show that for every $1 increase in ticket price, the company can expect to sell 20 fewer tickets. a) What ticket price will maximize revenue? b) What is the maximum revenue