Settlement of foreign exchange: 5.75 *13845 * 6.34 = 504719.475
Tax refund: 566952.75/1.17 * 0.16 = 77532.
Profit: 504719.475+77532-566952.75 =15298.725.
Ps: The unit price is 40.95, including tax. If it does not include tax, it should be calculated separately.