Financial problems to solve in Excel

the file “Sample.xlsx” cointains questions, with answers using Excel functions and also using Excel to do the calculation using normal formulas. “Todo.xls” contains 8 more questions, these need to be solved just like the questions in “Sample.xlsx”, showing detailed calculations to get same answer as Excel function. PLEASE MAKE SURE THAT THIS IS DONE JUST LIKE THE WORK IN “Sample.xlsx”.