Under the Revised Rules on Administrative Cases in the Civil Service, serious dishonesty and grave misconduct are punishable on the first offence by:

The correct answer is B. Dismissal from the service

Serious dishonesty and grave misconduct are grave offences punishable by dismissal on the first offence. Dismissal carries accessory penalties such as cancellation of eligibility, forfeiture of retirement benefits and perpetual disqualification from public office.