A. Need a self-explanatory detailed analysis and summary of the below mentioned article, along with personal thoughts and opinions of the given article.

Article:- Trade credit, trade finance, and the Covid-19 Crisis by Frdric Boissay,

Nikhil Patel and Hyun Song Shin

Link:- https://www.bis.org/publ/bisbull24.pdf

B. Describe in detail can companies take advantage of favorable exchange or tax rates to make purchases in different currencies/countries? If yes, how and why?