this is a question from macroeconomics

ECONOMIC DATA I ST. LOUIS FED Categories > National Accounts > National Income \& Product Accounts > GDP/GNP > Shares of GDP Shares of gross domestic product: Gross private domestic investment (A006RE10156NBEA) 1Y5Y10YMax F:ED - Shares of gross domestic product: Gross private domestic investment Question 320 points Private investment: a FRED question Search the FRED database for the "investment, share of GDP" and one of the first, links to appear is for "gross private domestic investment.." a. Display a graph of this series from 1990-1-1 to 2021-10-1. b. How does its average value compare to the ratio of capital income to output learnt in class, YrK=31? c. There should be a significant drop-off in the graph of question (a). Explain the potential reasons of the significant drop-off observed in a few sentences. d. The drop-off during pandemic is not as significant as what happened in other recession periods. Fxplain your understanding briefly- [All opinions are welcome.] ECONOMIC DATA I ST. LOUIS FED Categories > National Accounts > National Income \& Product Accounts > GDP/GNP > Shares of GDP Shares of gross domestic product: Gross private domestic investment (A006RE10156NBEA) 1Y5Y10YMax F:ED - Shares of gross domestic product: Gross private domestic investment Question 320 points Private investment: a FRED question Search the FRED database for the "investment, share of GDP" and one of the first, links to appear is for "gross private domestic investment.." a. Display a graph of this series from 1990-1-1 to 2021-10-1. b. How does its average value compare to the ratio of capital income to output learnt in class, YrK=31? c. There should be a significant drop-off in the graph of question (a). Explain the potential reasons of the significant drop-off observed in a few sentences. d. The drop-off during pandemic is not as significant as what happened in other recession periods. Fxplain your understanding briefly- [All opinions are welcome.]