 
<translate> O rere 1,000,000 - 100,000 = 900,000 n'agụghị ego ọ ga-akwụ. Ya mere o nwetara 900,000 * 2 = $1,800,000 site n'ire akwụkwọ ndị ahụ. Onye nnọchianya ya weere 1,800,000 *.1 = $180,000. Nke ahụ pụtara na o debere 1,800,000 - 180,000 = $1,620,000. Azịza ya: 1620000. <eng> He sold 1,000,000 - 100,000 = 900,000 not counting the advance. So he made 900,000 * 2 = $1,800,000 from selling the books. His agent took 1,800,000 * .1 = $180,000. That means he kept 1,800,000 - 180,000 = $1,620,000. The answer: 1620000. 