Use the information below to answer questions 17 and 18.

Opening balance.............................N10,640
Purchases...................................N26,912
Returns inwards.............................N492
Returns outwards............................N810
Cash discount received......................N1,348
Cash discount allowed.......................N1,560
Cash paid to suppliers......................N20,808

At the year end, the purchases ledger showed a debit balance of N108.

The total on the debit side of the purchases ledger control account will be?