Evaluate each of the following statements - how does the situation affect the incentive to invest in a college degree?
a. People who going into craft training programs such as carpentry or plumbing are making high wages.
b. A husband is planning to stay at home to raise his children.
c. Two siblings have entered college - one is a straight A student with plenty of scholarships while the other maintained a 1.5 GPA in high school and must pay for most of their education out of pocket or through loans.