Mrs. Berry purchased $4,000 worth of furniture from a furniture store. The purchase was financed by a consumer loan which required Mrs. Berry to pay a monthly payment of $150 at the end of each month for three years. What was the annual percentage rate (APR) of the consumer loan?

Question options:

1)

2.12%

2)

15.12%

3)

20.66%

4)

21.78%

5)

26.46%