Below is a table of data for a firm. Please use this table for this question, and the next two questions.   Table 1 Total Output Total Cost Marginal Cost Average Cost 0 100             50 112             100 202             150 269             200 363     What is the marginal cost of producing a unit of output when the firm increases production from 150 to 200 units? Please do not enter the dollar sign, i.e. Answer: $____  (1 mark).