macroeconomic homework

the questions in the attachment

here are links for help in each question

question 1 https://www.youtube.com/watch?v=qjz30GUAPn8

question 2 https://www.youtube.com/watch?v=Ie9zUy849DM

Preferred format:  an Excel spreadsheet with a different tab for each question.  Questions with multiple parts can be split out into different tabs, if desired.