The first image are the problem and questions. The second image is $$the questions with the correct answers. Can I get help using an $$excel sheet to $$get to $$these answers? The answers below are the correct ones which I am $$trying to $$figure out how to $$get to $$step by $$step using excel.

$3.$The Present Value of $$the salary differential for completing the certification program is$397,066\mathrm{.}54$

The value of $$undertaking the certification program is$391,816\mathrm{.}54$

$4.$The present value of $$the salary differential for completing the MBA degree is$939,486\mathrm{.}24$

The value of $$undertaking the MBA is$787,846\mathrm{.}89$