Suppose Mai deposits $100,000 in Bank A and Chen borrows money from Bank A to buy a Camry from Toyota. The required reserve ratio for all banks (set by the Fed) is 20%. Toyota deposits the money from Chen’s Camry purchase in Bank B. Zhang borrows money from bank B. Assume that there are no currency drains. How much money Chen and Zhang can borrow at maximum? (see the table for the information and type the answer below.)