hello, i have a project the instructions are clear in the file but in the last q

hello, i have a project the instructions are clear in the file but in the last qusetion there are an error, so our dr said that we can assume attributes if we could not get an outcome, so you can assume an attribute only to the last question without chaning anything else in other questions or adding anything not all the last question only in part h . of corse the answer should not have any palagresim
,and there an solved file just for an example how to solve it if you want it i will share it with you