Fiona had written checks totaling $2157 but had only $1843 in her checking account. To cover the balance, she transferred money from her savings account, which held $3145.
If Fiona transferred exactly enough money to cover the checks she had written, how much money remained in her savings account after the transfer?
A . $2831
B . $2471
C . $1529
D . $1302
E . $ 988
Answer: A