Q2. Maps are a good non-economic example of using assumptions to make things simpler. Which of the following are assumptions used to make maps useful? (2 Marks) [Ch. 1] Q3. Consider a student studying for a biology exam. Would you expect study time to be subject to diminishing returns? Suppose productivity is measured as the anticipated increase in the exam score. Construct a numerical example in which the first hour is twice as productive as the second hour, which is twice as productive as the third hour, and so on up to five hours of study. (2 Marks) [Ch. 2]