A researcher investigates the linkage between the financial performance of microfinance institutions and social performance. The attached data on microfinance institutions is used in the analysis. The dataset consists of four variables: return on assets, social performance, log total assets and inflation.

a) Provide a descriptive analysis of the variables.

b) Illustrate the relationship between financial performance and social performance. Calculate the correlation and provide your comment.

c) Use the multiple regression method to analyse the impact of social performance on bank performance (log total assets and inflation are control variables).

d) Based on the previous regression, does the total assets have an impact on financial performance?