The Tokyo Olympics

After watching How the Tokyo Olympics Became the Most Expensive Summer Game Ever video answer the following questions.

$**$The numbers can be made up$.$ I just need help with an example of the equation.

$3.$ As you saw in the video, the capital investment a city must undertake to host the Olympic Games is massive. Given the costs discussed in the video, create and Excel spreadsheet to estimate the NPV and IRR of hosting the Olympic Games for the city.

$4.$ How would the number in your Excel spreadsheet change because of the COVID$-19$ pandemic? Create a NPV profile for Tokyo$$s Olympic Games given the changes that were caused by the pandemic.