A new partner C is invited to join in the AB partnership. Currently, A's and B's capital are $540,000 and $100,000, respectively. According to their profit and loss sharing contract, partner A and B share income in a 3:1 ratio, respectively. The AB partnership is using the bonus method. Assuming that A's capital is surprisingly decreased by $7500 after recording a new partner C's investment, how much money are paid by a new partner C for 10% interest of the capital of the new partnership? (No Partial Points Allowed) Just write down the amount. Do not use dollar sign or commas. Numeric Response