Assume the following current asset section was obtained from Cantey balance sheet

December $31($$$000$s$)20212020$

Cash and cash equivalent $$5,000$ $ $9,000$

Net Accounts receivable $($less allowances for doubtful accounts of $$600$ and $$400,$ respectively$)$ $ $28,650$ $ $23,200$ Inventories $ $91,300$ $ $69,700$ Prepaid expenses and other assets$ $4,200$ $$4200$ $ $129,150$ $$106100$ What percentage of its total accounts receivable does Cantey feel is uncollectible at December $31,2021?$What percentage of its total accounts receivable does Cantey feel is uncollectible at December $31,2020?$