Refer to the Table Representing Kara's Bank Account

Refer to the table representing Kara's bank account. If the $4,000 was deposited into her account at the beginning of year 1 and no further deposits or withdrawals were made, the interest rate Kara is receiving on her account

A) cannot be determined.
B) is 6.00 percent.
C) is 12.50 percent.
D) is 19.00 percent.