"today, brianna has 7424.83 in her bank account. for the last two years, her account has paid 6% compounded monthly. before then, her account paid 6% compounded semi annually, for four years. if she made only one deposit six years ago, determine the original principle."
+36916 (PV(1+ .06/2)^8) (1 + .06/12)^24 = FV = 7424.83 PV= initial deposit = $ 5200
