On December 31, at the end of its annual accounting period, Sabaru estimated its bad debts as one-fourth of 1% of its $1,240,000 of credit sales made during the year, and made an addition to its allowance account equal to that amount. On the following February 3, management decided the$1,390 account of Colin Smith was uncollectible and wrote it off as a bad debt. Two month later, on April 2, Smith unexpectedly paid the amount previously written off. Give the journal entries required to record these events.