The following events occur for The Underwood Corporation during 2018 and 2019, its first two years of operations.

June 12, 2018 Provide services to customers on account for $40,400.

September 17, 2018 Receive $24,500 from customers on account.

December 31, 2018 Estimate that 45% of accounts receivable at the end of the year will not be received.

March 4, 2019 Provide services to customers on account for $55,400.

May 20, 2019 Receive $10,000 from customers for services provided in 2018.

July 2, 2019 Write off the remaining amounts owed from services provided in 2018.

October 19, 2019 Receive $44,500 from customers for services provided in 2019.

December 31, 2019 Estimate that 45% of accounts receivable at the end of the year will not be received.

1. Record transactions for each date. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

2. Post transactions to the following accounts: Cash, Accounts Receivable, and Allowance for Uncollectable Accounts.

3. Calculate the net realizable value of accounts receivable at the end of 2018 and 2019.