Write down a revenue function R$($x$)$ with the following conditions.

For every dollar decreased on the $($average$)$ ticket price, the attendance

will increase by $1\%.$ Assume the $($average$)$ spending on the concession is

$$15$ per person.

Note: let x be the amount of dollars by which the ticket price should be

decreased. For this problem, the average price of a ticket is $$129\mathrm{.}79.$ The average attendance per game is $76,474$