1786.98—Discounted present value.
(a)
The Discounted Present Value shall be calculated by RUS before prepayment is made by summing the present values of all remaining payments on all outstanding notes according to the following formula to compute the discounted present value of each note and adjusting as here and after provided for tax exempt financing.
(b)
Notwithstanding paragraph (a) of this section, in the event that the borrower shall elect to prepay using tax exempt financing, the calculation of the Discounted Present Value shall be adjusted to make the discount the equivalent of fully taxable financing.