I need help in my lab assignment for the all your work should be start from data analysis and reporting ( last two pages).I already start working in the excel sheet work .

I need help in my lab assignment for the all your work should be start from data analysis and reporting ( last two pages).I already start working in the excel sheet work . I upload you the data from the lab and another excel sheet showing you what i have done so far ( so you can check my work and do the missing part).

In page five, calibration curve I did part a, and c. please if you can help me with part b and check part c if I did it correct. in part c, you will find do different sheet in my excel sheet work I don’t which section is correct.

for sample analysis, I did part a, b and c. but I am still confused about part c ( so It is not completed yet) please if you can work on part c.

the main part that I need help is the discussion questions, please if you can help me answers the questions. each questions should be answer in one or two paragraph, no need for the report style. if you use different resources for providing answers please leave the reference.