The price p in dollars and demand x for wireless headphones are related by x 8 000 0 15p The current price of 110 is decreasing at a rate 7 per week Find the associated revenue function R p and the rate of change in dollars per week of revenue R p 8000p 0 15p d dp dt R p 8 000p 3 dp dt 0 15p The rate of change of revenue is dollars per week Simplify your answer Round to the nearest dollar per week as needed