Boa tarde - estou com um trabalho de faculdade, e não sei como resolver, segue o que o prof pediu  ( no segundo print é como deve aparecer o resultado )

1. Lael Masterson works in the Student Activities Office at Valerian State College in Illinois. Lael has started compiling information on students who are interested in helping run student organizations at Valerian State, and she needs your help completing the workbook.
   Switch to the Student Representatives Determine the base rate for the first student (which is based on the student's number of years of post-secondary education) using a function as follows:
2. Use a structured reference to look up the value in the Post-Secondary Years column. Retrieve the base rate in the table showing the base rate by post-secondary years. The formula should always use the exact range and find an approximate match.
3. Fill the function to the rest of the column, if necessary.