Which of these taxpayers filed their depreciation adjustment correctly

Hector he failed to claim depreciation on his rental last year. He filed an amended 2020 return to claim the missed return

Wanda she claimed $3250 rental unit depreciation for her 2020 return but the correct depreciation was $3100. Wanda claimed $150 less depreciation than allowed on her 2021 return to balance the numbers

Konstantino he owns a 4 unit apartment building in 2016 he underclaimed depreciation on his property. Since the tax year is closed he added the difference that he should have claimed on his 2021 form 4562

Tamara she failed to claim depreciation on her rental last year. She filed form 3115 with her 2021 return to recover the missed depreciation