Factor Year 0 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year n Market size, units -- X X X X X X X X X X Market share, percent -- X X X X X X X X X X Market share, units -- X X X X X X X X X X Unit price, $ -- X X X X X X X X X X Unit cost, $ -- X X X X X X X X X X Total annual sales, $ -- X X X X X X X X X X Net annual sales, $ -- X X X X X X X X X X Present value, $ X -- -- -- -- -- -- -- -- -- -- Inventors' share, $ X -- -- -- -- -- -- -- -- -- --