The average ticket price for a concert at the opera house was $25. The average attendance was 3000. When the ticket price was raised to 527, attendance declined to an average of 2800 persons per performance. What should the ticket price be to maximize revenue for the opera house? {Assume a linear demand curve.) To maximize revenue, the price should be $|:| per ticket. (Type an integer or decimal rounded to two decimal places as needed. Simplify your answer.)