Please see attached powerpoints and youtube links for reference, thank you
https://www.youtube.com/watch?v=CAquVX1bF7U https://www.youtube.com/watch?v=e0uydNe4cQo
https://www.youtube.com/watch?v=_BmjujlZExQ https://www.youtube.com/watch?v=mrWeLJZydUU