4. Plot all the Price Returns time series in the same graph. Interpret. Exercise 3. 1. For the same time series Convert Price returns and Total returns time series to weekly returns data. Explain the steps. 2. Plot these series as Multiple series. Interpret 3. For the same time series Convert Price returns and Total returns time series to Monthly returns data. Explain the steps followed. 4. Plot these series as Multiple series. Interpret 1111111111