My part ignore the title just answer the two parts

Develop a cash flow model using Excel spreadsheets. Plan for the entire field to be decommissioned by plugging and abandoning wells and removing and scrapping all facilities or other more-economic option. - we continue on the project which im assigned to part C &D only ignore the rest. - beware that you may receive similar requests from my friends so it doesn't get the same. minimum of 700 words