River City Supply, Inc., uses the allowance method to account for uncollectible accounts. On December 31, 2018, Allowance for Uncollectible Accounts has a $375 credit balance. Journalize the year-end adjusting entry for uncollectible accounts, assuming the following independent scenarios:

1. River City Supply, Inc., estimates uncollectible accounts as three-fourths of 1 percent of net credit sales. Net credit sales for the year equal $540,000.

2. Based on an aging of Accounts Receivable, River City Supply, Inc., estimates that uncollectible accounts will equal $3,950.