On January 1, 2016, Patel issued $400,000 of 7%, five-year bonds payable at 109. Patel has extra cash and wishes to retire the bonds payable on January 1, 2017, immediately after making the second semiannual interest payment. To retire the bonds, Patel pays the market price of 95. What is Patel's carrying amount of the bonds payable on the retirement date? How much cash must Patel pay to retire the bonds payable? Compute Patel's gain or loss on the retirement of the bonds payable