In January Mary starts off with $50 in her checking account. During the month she deposits $235.89 and writes checks totaling $65.77. At the end of the month she decides to take half of the money left in the account and deposit it into her savings account. How much did she deposit in her savings account?
A. $142.94
B. $165.83
C. $110.06
D. $240.12
$50 + $235.89 = $285.89
$285.89 - $65.77 = $220.12
$220.12 / 2 = $110.06
C. $110.06