Recall Application 3, "The Links Between Self- Reported Happiness and GDP

Recall Application 3, "The Links Between Self- Reported Happiness and GDP," to answer the following questions:
-According to the Application 3, at any point in time both income and a stable marriage tend to increase self- reported happiness, with research indicating that a stable marriage is equivalent to income of

A) $5,000.
B) $25,000.
C) $100,000.
D) $58,000.