3. Walmart Canada's revenue function is given by R(q) = q3 + 30q2 + 7631 and its cost function is given by C (q) = 3710 900:], where q is hundreds of units sold/produce, while R(q) and C (q) are in total Canadian Dollars of revenue and cost, respectively Please show all the steps for each part. (20 points) a) Find a simplied expression for the marginal prot function. h) Find and interpret the R'(10) and C(23). c) Use Calculus to find the quantity that maximizes the prot. (1) Using Desmos graph the Cost and Revenue and Profit function and mark the maximum prot on the graph. 1. Use the following table to estimate the area between f (x) and the x-axis on the interval 10