The profit P for a company is P = 100xe^(x/300), where x is demand and P is measured in millions of dollars. At the instant that x = 110, demand is...

The profit P for a company is P = 100xe^(−x/300),where x is demand and P is measured in millions of dollars. At the instant that x = 110, demand is increasing at a rate of 7 units/month. Find the rate of change of profit at that instant. Round your answer to 3 decimal places.