The following events occur for The Underwood Corporation during 2015 and 2016, its first two years of operations. June 12, 2015 Provide services to customers on account for $30,800. September 17, 2015 Receive $16,500 from customers on account. December 31, 2015 Estimate that 45% of accounts receivable at the end of the year will not be received. March 4, 2016 Provide services to customers on account for $45,800. May 20, 2016 Receive $10,000 from customers for services provided in 2015. July 2, 2016 Write off the remaining amounts owed from services provided in 2015. October 19, 2016 Receive $36,500 from customers for services provided in 2016. December 31, 2016 Estimate that 45% of accounts receivable at the end of the year will not be received. Post transactions to the following accounts: Cash, Accounts Receivable, and Allowance for Uncollectible Accounts.

Calculate the net realizable value of accounts receivable at the end of 2015 and 2016.