Please answer the following questions in detail. Thank you

1- Explain the existence and rise of the nonprofit sector through the lens of the economic theorist.

2-Define and discuss the concept of the double bottom line as it relates to the management of nonprofit organizations. Should the success of nonprofit leaders be measured by both bottom lines?

3- Discuss the topic of accountability/performance regarding the management of nonprofit organizations.

4- Define the term social capital. Discuss the concept of social capital as it relates to the purpose and importance of the nonprofit sector.