Of the following investments, which would have the highest present value? Assume that the effective annual rate for all investments is the same and is greater than zero.

		Investment A pays $250 at the end of every year for the next 10 years (a total of 10 payments).
		Investment B pays $125 at the end of every 6-month period for the next 10 years (a total of 20 payments).
		Investment C pays $125 at the beginning of every 6-month period for the next 10 years (a total of 20 payments).
		Investment D pays $2,500 at the end of 10 years (just one payment).