Terry attends college and works part-time in a drug store. She can work up to 40 hours each week and is paid $9 per hour. The following table shows her utility from different levels of leisure and income.

work hours Income total Utility from Income Marginal Utility from Income

5 45 35

10 90 59

15 135 77

20 180 86

25 225 92

30 270 98

35 315 103

40 360 107

Fill in the Marginal Utility columns above for the Marginal Utility from Income