Ascatter plot is made to model the amount of money left to pay on a credit card. the data used for the scatter plot are shown in the table:

number of months 3 5 1 2 0 4
money owed $1,400 $1,000 $1,800 $1,600 $2,000 $1,200

what does the y-intercept of the model represent?
the amount of the balance that has been paid that month
the monthly payments
the number of months it takes to pay off the credit card
the original balance on the credit card