Please it is pyscology questions please help me with this

When earning simple interest on money you invest, which statement is true? a. as time goes on and your bank account grows, you earn more interest. b. as time goes on and your bank account grows, you earn less interest. c. as time goes on and your bank account grows, you earn the same amount of interest. d. as time goes on and your bank account grows, you stop earning interest.

Which of the following is a problem for the production of public goods?

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)