2) Imagine that Don is deciding whether to pay a small debt now or in the future: now, at the end of week 1, or at the end of week 2. His options are in the table below. Assume that he is risk neutral, so that dollar amounts equate to utility. Options: Pay now Pay at end of 1* week Pay at end of 2nd week Payment required if paid now $100 0 0 Payment required if paid at end of 1" week 0 -$120 0 Payment required if paid at end of 2nd week 0 0 -$160 a. Suppose Don is an exponential discounter with a weekly discount factor of 8=0.8. Explain reasons why Don might have 8