​2. stadium seating there are three seating categories at a stadium. for a softball game, class a seats cost $15, class b seats cost $12, and class c seats cost $9. write a program that asks how many tickets for each class of seats were sold, then displays the amount of income generated. solving the stadium seating problem from ticket sales. format your dollar amount in a fixed-point notation with two decimal points and make sure the decimal point is always displayed.