The average ticket price for a concert at the opera house was $25. The average attendance was 1500. When the ticket price was raised to $29, attendance declined to an average of 1100 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.)