Requirement: Please based on the solutions and ideas (Check the attachment, named “Idea for 15-20”), using Excel skills to solve the questions. Please don’t copy the fully sentence from the solutions, therefore you need to use your own words to answer each question but your answer can be the similar meaning of solutions, so just use your own language to explain the same thing. Just reminder: This project is continuation of 15-19, two questions in the total for this project.
Solution here: