The correct answer should be reward. In order to reward buyers for buying, you put the prices lower even though in reality you could be making the same mount of money. You thus decide to earn less money but you reward your buyers for being loyal or you get them to buy.
Sultan Mehmed II transferred the capital of the Ottoman Empire from Edirne to Constantinople. Constantinople was transformed into an Islamic city: the Hagia Sophia became a mosque, and the city eventually became known as Istanbul.