Q.3234 Jinshi&Houshi Corporation is a large commercial bank operating in mainland China. It has adopted the Basel I framework and had made the following transactions during the year:
(a) A seven-year interest rate swap with a notional principal of $400 million and a current market value of -$3 million.
(b) A three-year interest rate swap with a notional principal of $170 million and a current value of $7 million.
(c) A four-month derivative on a commodity with a principal of $80 million that is currently worth $4 million.

Given the above information, what is the net replacement ratio (NRR) under Basel I assuming that the 1995 netting amendment applies?