BrownTiger , your miss under standings and inaccurate statements are all
to common among the masses, an 94.5% unit is 18% more efficient than an
80% unit. That is 18% savings at todays Ng prices. You really can`t be
that ignorant to think Ng won`t double again in 10-15 years, it always
has and always will. Therefore his Payback will be great even
considering lost interest . What do your investments and interest on
money return you.