Done HW9.pdf All homework will be collected at the beginning of class Unstapled homework will not be collected as this is part of the assignment You may use scholarly literature and academic sources provided that you cite them properly As shown in class, use Excel to solve all problems Exercise One: Van Dam Design produces a line of high end sunglasses. The cost of production for this model is given by the function C(x) shown below - where x is the production volume in units. In addition, if the sunglasses sell for $520 per unit, the revenue function R(x) is shown below - where x is the sales volume in units. 1. C(x) = 25,000 + 20 x R(x) 520 x Based on the given information: (a) Derive the total profit function, (b) as shown in class, graph the Cost function C(x), and the Revenue function R(x) on the same Cartesian plane. (c) Find the break-even point using Goal Seek as shown in class today