数学还款利息问题(急)
Aloanisrepaidwithequalpaymentsof$200attheendofeachweekfor15years.Ifinterestis
10.4%p.a.compoundedweeklyandassumingthatthereare52weeksinayear,calculate:
(a)thetotalamountrepaid,
(b)thepresentvalueoftheloan(correctto2decimalplaces),
(c)thetotalamountofinterestpaid(correctto2decimalplaces).
应该怎算?