Select examples of circumstances where procedures beyond those illustrated are likely to be performed by an accountant? 1) An error in the previous year tax return 2) A statement by a bookkeeper that leads the accountant to believe the client's personnel do not fully understand correct sales cutoff procedures 3) Presence of notes payable 4) A material decrease in allowance for uncollectible accounts divided by accounts receivable 5) A material increase in the gross margin percent 6) First year engagement 7) A small decrease in sales revenue