Harun sells a book to Kabil at a profit of 15%, Kabil sells that book to Rasel for Tk.1012 and makes a profit of 10%. At what cost did Harun purchase the book?

• ক Tk.850
• খ Tk.920
• গ Tk.782
• ঘ Tk.800 ✅ সঠিক উত্তর