Question 870436
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Hi
 In General {{{A(t) = P(1+r/n)^(nt)}}}
A = Accumulated Amount
P= principal = $15,000
r= annual rate = .085 (for ex)
n= periods per year = 4 (compounded quarterly)
t= years = 3
A = $15,000(1 + .085/4)^(4*3)
A = $15,000(1.02125)^(12)
etc as Annual Interest rate changes