A full-time custodial sentence is required for the offence of manufacturing a commercial quantity of methylamphetamine absent exceptional circumstances. An offender's role that is minor relative to co-offenders is not necessarily minor in terms of the enterprise or criminality involved. Depression impairing thought processes, while relevant to subjective case, does not constitute exceptional circumstances where the offender knew precisely what he was doing. Double jeopardy on Crown appeal may result in dismissal even where sentencing error is established.
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