In 2019, Marg's Antiques deducted a reserve for doubtful debts of: During 2020, she had actual write-offs of: At the end of 2020, she deducted a reserve for doubtful debts of: Marg's 2020 net impact on income of all the above would be: A. B. C. D. 13,400 8,700 -4,000 -22,600 In 2019, Marg's Antiques deducted a reserve for doubtful debts of: During 2020, she had actual write-offs of At the end of 2020, she deducted a reserve for doubtful debts of Marg's 2020 net impact on income of all the above would be 9,300 8,700 6,600 A B c D 13,400 8,700 -4,000 -22,600