Pearl E$.$ White Orthodontist specializes in correcting misaligned teeth. During $2026,$ Pearl provides services on account of $$590,000.$ Of this amount, $$80,000$ remains receivable at the end of the year. An aging schedule as of December $31,2026,$ is provided below.

$\backslash$table$[[$Age Ginoup,Amount Receivable,$\backslash$table$[[$Estimated Percent$],[$Uncollectible$]]],[$Not yet due,$$40,000,48],[$to $90$ days past due,$16,000,20$