Finance questions(s)

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I have 7 finance related questions which mostly ask forFV, PV or EAR.  the last question pertains to GPM (Graduated Mortgage).   I have attached a document with the exact questions that I need done, and I need to see the excel spreadsheet answer as well as any written out formulas to get the answers or five key method using a BAII financial calculator.Attached is the document with all of the questions i need answered