Gunnar Company gathered the following reconciling information in preparing its September bank reconciliation:

Cash balance per books, $9/30$ $$2,813$

Deposits in transit $521$

Notes receivable and interest collected by bank $791$

Bank charge for check printing $21$

Outstanding checks $1,500$

NSF check $142$

Calculate the adjusted cash balance per books on September $30.$

a$.$ $$2,462.$

b$.$ $$3,441.$

c$.$ $$1,834.$

d$.$ $$2,604.$