At year-end (December 31), Kneller Company estimates its bad debts as 0.60% of its annual credit sales of $919,000. Kneller records its Bad Debts Expense for that estimate. On the following February 1, Kneller decides that the $460 account of M Monamy is uncollectible and writes it off as a bad debt. On June 5, Monamy unexpectedly pays the amount previously written off