5) High tech Corporation had credit sales of $3,000,000 in 20x1. Before recording the December 31, 20x1, adjustments, the company's allowance for doubtful accounts had a credit balance of $1,400. A schedule of December 31, 20x1, accounts receivable by age is summarized as follows: Dec. 31, 20x1 A/R Age of A/R Uncollected % expected 8.2 $285,000 Not due 1.5 87,000 1-45 days past due 34,000 46-90 days past due 8,000 over 90 days past due Calculate the amount that should appear on the December 31, 20x1, balance sheet as allowance for doubtful accounts