John's Bait and Fish Shop has had the monthly sales amounts listed below for the last four years. $ April Year: 2017 January $ 417,633 February 113,438 March 140,194 428,277 May 437, 370 June 743, 147 July 1,449,729 August 1,429,902 September 1, 179, 382 October 369,988 November 257,050 December 322,543 2018 $ 586,553 139,298 178,518 392,579 927, 265 1,084,375 1,249, 471 1,794,586 1,022,239 466,563 390,912 387,203 2019 $ 335,025 165,694 87,201 513,038 535,878 598,750 1,564,574 1,849,815 684,731 483,173 261,735 235,024 2020 588,874 114,815 138,941 458,111 851,534 742, 302 1,579,008 1,591,403 725, 323 651,532 310,920 372,236 Assuming that there is both seasonality and a trend, estimate monthly sales for each month of the coming year. (Round your answers to the nearest whole dollar amount.) 2021 January February March April May June July August September October November December