Jeff is producing an outdoor concert. He estimates that he will make 3600 dollars if it does not rain, and make 700 dollars if it does rain.

Jeff is producing an outdoor concert. He estimates that he will make 3600 dollars if it does not rain, and make 700 dollars if it does rain. The local weather station (which we'll assume is accurate in giving forecasts) predicts that the chance of rain is 27 percent for the day of the concert. What is Jeff's expected earnings from the concert?