Bill works for Cottage Hospital. If he works up to 40 hours per week, he earns $20 per hour for every hour that he works. For every hour in excess of 40, Bill earns $40 per hour. Bill faces a 20% tax rate and pays $4 per hour in child care expenses for each hour that he works. He receives $200 in investment income each week. There are 168 hours in the week that he can choose to work. Graph Bill's budget constraint labeling all kinks, axes and intersections clearly. 7. Bill works for Cottage Hospital. If he works up to 40 hours per week, he earns $20 per hour for every hour that he works. For every hour in excess of 40, Bill earns $40 per hour. Bill faces a 20% tax rate and pays $4 per hour in child care expenses for each hour that he works. He receives $200 in investment income each week. There are 168 hours in the week that he can choose to work. Graph Bill's budget constraint labeling all kinks, axes and intersections clearly. 7