The table represents the amount of money in a bank account each month.


Month Balance ($)
1 3,600.00
2 2,880.00
3 2,304.00
4 1,843.20
5 1,474.56


What type of function represents the bank account as a function of time? Justify your answer.
This is a linear function because there is a common difference in the balance between the months.
This is a linear function because there is a common ratio in the balance between the months.
This is an exponential function because there is a common difference in the balance between the months.
This is an exponential function because there is a common ratio in the balance between the months.