The following events occur for The Underwood Corporation during 2021 and 2022, its first two years of operations. June 12, 2021 Provide services to customers on account for $33,200.
September 17, 2021 Receive $18,500 from customers on account.
December 31, 2021 Estimate that 45% of accounts receivable at the end of the year will not be received.
March 4, 2022 Provide services to customers on account for $48,200.
May 20, 2022 Receive $10,000 from customers for services provided in 2021.
July 2, 2022 Write off the remaining amounts owed from services provided in 2021.
October 19, 2022 Receive $38,500 from customers for services provided in 2022.
December 31, 2022 Estimate that 45% of accounts receivable at the end of the year will not be received.

Required:
Calculate net accounts receivable at the end of 2021 and 2022.

2021 2021
Total accounts receivable
Less: Allowance for uncollectible acounts
Net accounts receivable