Can you help answering the following questions based on macroeconomics? Please, see instructions below.

C. Can you compare the relationship between saving and capital investment using the concepts of real interest rate and expected rate of return? D. What is the relationship of the financial market with the economic growth of a nation? E. What is the dynamic that is expected to occur between the different development policies in the injection of capital as instruments to promote the growth, sustainability, and economic stability of a nation