you only need to do the red part of the requirement. This is a group paper, so i will waiting for my partner to do other parts. For my part, some parts are need to waiting for my group member’s  spreadsheet, i will give you ASAP, however, you can write other analysis part firstly. I promise i will give you part 2(c) ASAP. Also, Part (iv) you need to calculate after i give you the spreadsheet.