Discuss the meaning of this mathematical expression and verify it using EXCEL = (1 + r)4 FV4 PVo = FV4 i.e. a) Explain what is the meaning of the ratio PVO b) Explain what is the meaning of the term (1+r) and c) why the term (1+r) it is raised to the forth power i.e. it is multiplied to itself four times. d) Furthermore explain why there is a balance, i.e. the two terms are equal NOTE - non WI sections should provide the written explanation in there Excel sheet, while the WI section in the Word document.