16. Table 2.14 shows the cost, C(q), and revenue, R(q), in terms of quantity q. Estimate the marginal cost, MC(q), and marginal revenue, MR(q), for q between 0 and 6. to ir Table 2.14 navigat ion ca) R(q) 20 100 60 220 120 200 300 420 330 410 450 480