decision science the problem is probably linear programming problem

this assignment comes from a course named decision science the problem is probably linear programming problem (product mix problem-use the graphical solution) you will find in some parts of the assignment (attachments) notes on how to solve the problem answers all the questions. I have notes from the class on how to solve it and the study material for this course please click the following dropbox links to access the notes (you must read the notes in order to solve the problem).

this is the link for notes
https://www.dropbox.com/sh/qk90ne937p9f5cb/AAA2Kdm8-oQBMJWGMmQrbuffa?dl=0

This is the second link for the textbook

https://www.dropbox.com/sh/8da7yqkhao9yzx3/AABJcRz2-HIjl3e2XdFdA08ta?dl=0