Grayhawk Company reported net credit sales of $588,000 for the year ending December 31, 2019. On January 1, 2019, the Allowance for Doubtful Accounts had a credit balance of $14,400. During 2019, $24,000 of uncollectible accounts receivable were written off. Grayhawk has experienced bad debt losses of 3% of credit sales in prior periods. Using the percentage of credit sales method, what is the adjusted balance in the Allowance for Doubtful Accounts at December 31, 2019? On January 1, Portillo, Inc. lends a corporate customer $240,000 at 6% interest. The amount of interest revenue that should be recorded for the quarter ending March 31 equals