Below is a table for the present value of $1 at compound interest.

Year	6%	10%	12%
1	.943	.909	.893
2	.890	.826	.797
3	.840	.751	.712
4	.792	.683	.636
5	.747	.621	.567

Below is a table for the present value of an annuity of $1 at compound interest.

Year	6%	10%	12%
1	.943	.909	.893
2	1.833	1.736	1.690
3	2.673	2.487	2.402
4	3.465	3.170	3.037
5	4.212	3.791	3.605

Using the tables above, what is the present value of $6,000 (rounded to the nearest dollar) to be received at the end of each of the next 4 years, assuming an earnings rate of 10%?

a. $14,412

b. $20,790

c. $19,020

d. $25,272