Percent

Age Class

Uncollectible

Not past due

$1-30$ days past due

$1\%$

$31-60$ days past due

$4$

$61-90$ days past due

$16$

$91-120$ days past due

$25$

Over $120$ days past due

$40$

$80$

Aging of Receivables Schedule

December $31,20$ Y$1$