(a) Develop a model for the total cost (C) to put on the seminar. Let x represent the number of students who enroll in the seminar. C= (b) Develop a model for the total profit (P) if x students enroll in the seminar. P= (c) Micromedia has forecast an enrollment of 40 students for the seminar. How much profit will be earned if their forecast is accurate? P(40)=$ (d) Compute the break-even point