An electronic manufacturing company has determined that the cost of producing x units of its newest stereo is C(x) = 3500 + 10x , and the monthly demand equation for this cost function is p = [40 - (1/1500) x] where x is the number of units and p is the price in dollars. Use the demand equation to find the revenue equation. Then find the profit equation and use it to compute the profit and marginal profit for a production level of 2250 units. The profit when 2250 units are produced is _____________dollars?