Jason deposits $ 5000 into his savings account at the end of every 3 months for 10 years. For the first four years the money accumulates at an annual nominal rate of 5% compounded quarterly. The interest rate then changes to an annual nominal rate of 9% compounded quarterly. Calculate the amount to which his savings account will grow after his last deposit?

a.

$ 290915.96

b.

$ 310160.71

c.

$ 320405.45

d.

$ 301867.21

e.

$ 306869.16