Susannah has a high-yield savings account into which she deposits $120 each month. At the beginning of the year, Susannah's account balance is $800. In the equation below, x represents the amount of time, and y represents Susannah's account balance.
y = $120x + $800
Not including interest, what will her account balance be at the end of the year?
A. $2,240
B. $2,300
C. $2,000
D. $1,440