(For the Graph) Plot total profit in the accompanying figure. Clearly label the amount of maximum profit and the optimum quantity that produces this level of profit using the dot labeled "Optimum quantity, maximum profit."

21. Sometimes, our discussion of marginal cost and marginal revenue unintentionally hides the real issue: the entrepreneur's quest to maximize total prots. Here is information on a rm: Demand: P = 50 - Q. Fixed cost = 100, marginal cost = 10. Using this information, calculate total prot for each level of output between Q = 18 and Q = 23. $ \f305 Optimum quantity, maximum profit 304 303 302 301 Total Profit 300 299 298 Profit 297 296 295 294 293 292 291 290 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 Quantity