Fiona just deposited $2,500 in a bank account that pays a 6.0% nominal annual interest rate, compounded quarterly.If she also adds another $5,000 to the account one year (4 quarters) from now and another $7,500 to the account two years (8 quarters) from now, how much will be in the account three years (12 quarters) from now?

a.$8,621.51

b.$10,949.27

c.$13,105.62

d.$13,592.69

e.$16,581.73