Please show me your calculations. I got 320,00 which is obviously incorrect. Thank you!

PRINTER VERSION 4 BACK NEXT During 2016, Marigold Corp. introduced a new line of machines that carry a three-year warranty against manufacturer's defects. Based on industry experience, warranty costs are estimated at 2% of sales in the year of sale, 3% in the year after sale, and 4% in the second year after sale. Sales and actual warranty expenditures for the first three-year period were as follows: (assume the accrual method) Actual Warranty Sales Expenditures $40000 63000 135000 $238000 2016 $1593000 2017 2507000 2018 2100000 $6200000 What amount should Marigold report as a liability at December 31, 2018? $506000 $0 $105000 $ 55350