Which of the following are reasons why GDP isn't a true measure of human well being?

1. Product must be produced and marketed to have value

2. Doesn't show income distribution among the population

3. Change in the quality of products is not considered

4. Types of goods and services produced are not indicated

5. Social and environmental changes are not factored into the picture

a.1, 2, 3, 4, 5b.1 and 2 onlyc.3 and 4 onlyd.1, 3, 4 onlye.1, 3, 5 only