Mega Bank Annual Report 2017

68 Mega Bank -68- Cumulative translation differences of foreign operations Available-for-sale financial assets Total US$ January 1, 2017 ( $ 31,241 ) ( $ 18,064 ) ( $ 49,305 ) Available-for-sale financial assets Evaluation adjustment for the year - 70,626 70,626 Realized gain and loss for the year - ( 43,657 ) ( 43,657 ) Cumulative translation differences of foreign operations ( 59,945 ) - ( 59,945 ) Share of other comprehensive income of associates and joint ventures accounted for under equity method ( 333 ) 1,046 713 December 31, 2017 ( $ 91,519 ) $ 9,951 ( $ 81,568 ) Cumulative translation differences of foreign operations Available-for-sale financial assets Total NT$ January 1, 2016 $ 331,363 ( $ 102,347 ) $ 229,016 Available-for-sale financial assets Evaluation adjustment for the year - 922,297 922,297 Realized gain and loss for the year - ( 1,295,542 ) ( 1,295,542 ) Cumulative translation differences of foreign operations ( 1,255,005 ) - ( 1,255,005 ) Share of other comprehensive income of associates and joint ventures accounted for under equity method ( 2,591 ) ( 59,974 ) ( 62,565 ) December 31, 2016 ( $ 926,233 ) ( $ 535,566 ) ( $ 1,461,799 ) (25) Net interest income For the years ended December 31 2017 2016 NT$ US$ NT$ Interest income Discount and loan interest income $ 38,535,880 $ 1,299,780 $ 38,730,900 Deposit and loan interest income of banks 8,388,370 282,932 5,030,123 Securities investment interest income 6,254,938 210,973 5,601,350 Interest income of factoring acceptances receivable 323,540 10,913 277,965 Credit card interest income 172,411 5,815 174,441 Interest income of forfeiting purchased 24,651 832 869,183 Other interest income 154,357 5,206 193,989 Subtotal 53,854,147 1,816,451 50,877,951 Interest expenses Deposit interest expense ( 14,710,966 ) ( 496,188 ) ( 12,077,235 ) The Central Bank and the bank deposit interest expense ( 4,367,250 ) ( 147,303 ) ( 2,541,727 ) Bond interest expense ( 579,746 ) ( 19,554 ) ( 582,811 ) Other interest expense ( 112,082 ) ( 3,780 ) ( 92,538 ) Subtotal ( 19,770,044 ) ( 666,825 ) ( 15,294,311 ) Total $ 34,084,103 $ 1,149,626 $ 35,583,640 (26) Net service fee income For the years ended December 31 2017 2016 NT$ US$ NT$ Service fee income Trust service fee income $ 1,631,249 $ 55,021 $ 1,560,220 Loan service fee income 1,528,983 51,571 1,941,867 Remittance service fee income 858,168 28,945 975,766 Guarantee service fee income 833,606 28,117 913,124 Agent service fee income 905,066 30,527 1,185,458 Import and export service fee income 531,859 17,939 607,319 Credit card service fee income 523,998 17,674 504,421 Other fee income (Note) 1,036,457 34,959 1,082,687 Subtotal 7,849,386 264,753 8,770,862 Service fee charges Agent service fee ( 695,730 ) ( 23,466 ) ( 641,953 ) Custody fee ( 55,906 ) ( 1,886 ) ( 51,674 ) Other charges ( 168,235 ) ( 5,674 ) ( 169,502 ) Subtotal ( 919,871 ) ( 31,026 ) ( 863,129 ) Total $ 6,929,515 $ 233,726 $ 7,907,733