for 2021 the correct answer is not 7740. i keep checking my math and continue to get the same answer but when i submit the answer, it shows as incorrect. please help.

Projected Benefit Obligation Plan Assets Value 2019 $2.480,000 $2.356,000 2020 2,976,000 2021 3.658.000 3,100,000 3.224.000 3.720,000 2022 4,464,000 The average remaining service life per employee in 2019 and 2020 is 10 years and in 2021 and 2022 ks 12 years. The net gain or loss that occurred during each year is as follows: 2019, $347,200 loss; 2020,5111,600 foss: 2021.5 13.600 loss and 2022,5 31,000 pain. tin working the solution, the gains and losses must be aggregated to arrive at year-end balances) Using the corridor approach compute the amount of net gain or loss amortized and charged to pension expense in each of the four years, setting up an appropriate schedule. Year Minimum Amortization of Loss 2019 5 2020 5 7720 2021 $ 7740 2022 10