ne the file. each tab in this spreadsheet and you will find problems to solve. lete your assignment within this document. Do not create a new document ar he answer on a Word Document. You must use Microsoft Excel. all your work, including any needed formulas ne the file. each tab in this spreadsheet and you will find problems to solve. lete your assignment within this document. Do not create a new document ar he answer on a Word Document. You must use Microsoft Excel. all your work, including any needed formulas