Could you please help me with the highlighted questions, thank you so much in advance

3. The production relationship between the number of chapters that Tiffany studies in her his- tory book (the variable input) and the number of points that she will earn on a history exam (the output) is as follows: Input: number of chapters 0 2 3 studied Output: test score 15 35 60 95 a. Using graph paper or a computer spreadsheet or presentation program, graph the total product curve for exam points. Label clearly. b. What is the marginal return of the first chapter that Tiffany reads? And what is the marginal return of the third chapter that she reads? C. How would you describe, in words, this pattern of returns? 4. Suppose that you have started a small business offering computer consulting. Match each concept in Column A with an example in Column B. Column A Column B