The total parts value charge $8,564.62 would be if Thailand could not use the 6 mislabeled transmissions (EB3P-7000-AA). Since the transmissions are usable the difference between the two transmissions (EB3P-7000-AA & FB3P-7000-AA) is $2.80 @ 6 (mislabel transmissions) = a difference of $16.80.