Step by step please

[-/4 Points] DETAILS 0/30 Submissions Used MY NOTES Paramount Electronics has an annual profit given by P = -100,000 + 5,000q - 0.25q~ dollars, where q is the number of laptop computers it sells each year. The number of laptop computers it can make and sell each year depends on the number n of electrical engineers Paramount employs, according to the equation q = 30n + 0.01n2. Paramount currently employs 40 electrical engineers. Find the rate at which its profit is changing with respect to the number of electrical engineers that it employs. (Round your answer to the nearest whole number.) At an employment level of engineers, Paramount's profit|- --Select------ at a rate of -Select Units