Apple Inc's book value per share for the quarter that ended in Jun. 2015 was $22.03. Share price close 9/25/15 = $114.71. Apple is selling at ~ 5 x book value. TRTC book value .02 close price 9/25/15 = $.11 TRTC is selling at ~ 5.5 x book value. TRTC seems to be a fair price based on what is now known. Looking forward TRTC is in a postion to grow very rapidly and increase in share price dramatically. just my2cents