This question asks you to explore further the relationship between present bias and health-club usage. Suppose there are 30 days in a month, and that on each of these days you consider going to the health club. Each visit to the health club generates a future benefit of 35. Each visit to the health club also carries an immediate cost (because exercise requires effort). However, because your motivation varies from day to day, this immediate cost will vary from day to day. Specifically, assume that for m days each month you will have a low cost of 10, for n days each month you will have a medium cost of 20, and for (30 m n) days each month you will have a high cost of 30. The health club offers two contracts