A firm can produce at most 100 units of a particular product per week. If the average weekly cost function for this product is given by the equation: 500/x + 1500 and the weekly demand equation is: p = 1600 - x ; then use this information to find the weekly profit equation and then use the weekly profit equation to determine the maximum profit per week that can be achieved by this product. The maximum weekly profit that can be obtained by this product is _______________ dollars a week