For how long has William been making end-of quarter contributions of exist1, 200 to his RRSP if the RRSP has carried 4.75% compounded annually and is currently worth exist74, 385? P/Y C/Y BGN/END N I/Y _____________ PV PMT FV ____________ After 10 1/2 years of contributions of exist2,000 at the end of every six months to an RRSP, the accumulated amount stood at exist65, 727.82. What semiannually compounded nominal rate of return was earned by the funds in the RRSP? P/Y C/Y BGN N I/Y ___________ PV PMT FV ______________