Paper 1 October/November 2005 Accounting (9706/01) A Level

At 31 December 2021, the sales ledger control account had a balance of $\$ 19100$ while the total balances in the sales ledger were $\$ 20900$.
The following reconciliation statement had been prepared after the errors were located.
What is the correct amount of total trade receivables as shown in the statement of financial position?