3 of the questions remain unanswered. (2 points) A company decides to begin making and selling memory sticks for computers. The price function is given as follows: 90000 +4' where is the number of memory sticks that can be sold every week at a price of p dollars per unit. Additionally, the financial department has determined that the weekly fixed cost of production will be 4000 dollars with an additional cost of 20 dollars per unit. (a) Find the revenue function in terms of x. R(x) = 9000x/(x+4) (b) Use the financial department's estimates to determine the cost function in terms of C(x) - (c) Find the profit function in terms of P(G)- (d) Find the marginal profit when 30 memory sticks are produced and sold each week Marginal profit dit on this