Part 1

https://docs.google.com/document/d/1k2YbM0VvLiT4IIB6xcPgKWOOEovqkfGoPWFqaVD0jh0/edit?usp=sharing

Part 2.1

https://docs.google.com/document/d/13O1AAWgbrgowfW-bXos1F8tXzmwPFZHHUTo3ETk7VC4/edit?usp=sharing

Part 2.2

https://docs.google.com/document/d/1MgHLTalkeGDHMvCxJdFyuL_6Gqg6Noj8vI7jwZfkFOM/edit?usp=sharing

Part 2.3
https://docs.google.com/document/d/1FvhgzFJQFnFD64WvfzDbAY9SXVde0ib8UlI2Qn4txPk/edit?usp=sharing