Amy Contributed $130 Per Month for 6 Years to an Account

Multiple Choice

Amy contributed $130 per month for 6 years to an account that paid 4% for the first 3 years, but 7.5% for the last 3 years.How much has she saved?

A) $\$ 10,207.20$
B) $\$ 11,441.76$
C) $\$ 11,451.77$
D) $\$ 11,453.76$