Suppose James wants to buy a car in 3 years time and estimates that he will need $25,000. The interest rate that he can earn from a savings account is 6% per annum. If James can put in $7,000 today, $6,000 in one years time and $5,000 in 2 years time, how much will he have to come up with at the end of the third year to buy his car?

	A.	He does not require more money as the total amount earned from the savings account at the end of 3 years will be enough.
	B.	$20,378.71.
	C.	None of the above. Not enough information has been provided.
	D.	$4,621.29.