Quantative Risk Management In R

*Show all codes so I can run them myself*

1. The probability density function (pdf) for daily profits at Rectangle Inc. can be described by the following piecewise function (see figure below), 

a)What is the one-day 95% VaR for Rectangle Inc.? 

b)What is the one-day 95% ES for Rectangle Inc.? 

2. Please follow the following instructions. The instructions indicate how to download daily stock price of Microsoft. Inc. from 2005-01-02 to 2018-12-31 from Yahoo! Finance and how to convert it to daily log return.