sentence — use of carriage service to menace/harass/offend offence contrary to s 474.17(1) of Commonwealth Criminal Code — state offence — further offence of use of carriage service to menace offence contrary to s 474.17(1) of Commonwealth Criminal Code taken into account pursuant to s 16BA — general deterrence — s 16A(2)(ja) — general deterrence is important — clear message must be sent to community, and in particular like-minded members of community, that Parliament has proscribed lengthy prison terms for such offences, and that courts will impose custodial sentences in appropriate cases — specific deterrence — s 16A(2)(j) — specific deterrence is paramount consideration here also, given offender’s criminal history and history of non-compliance with court orders — antecedents — s 16A(2)(m) — nature and circumstances of the offence — s 16(2)(a) — guilty plea — s 16A(2)(g) — objective seriousness — criminal antecedents disentitle offender to any leniency in sentencing process — offender was 19 years of age at the time of offending conduct and offender’s immaturity which must be taken into account in the sentencing process — offender entitled to a utilitarian discount on sentence of 10% for late plea of guilty — lower objective seriousness of offending, significant subjective matters, including young age at time of offending, struggle with addiction to prohibited drugs, and progress made since, over a period of 3 years with rehabilitation (notwithstanding failure to complete one of three residential rehabilitation courses), and fact offender has full-time employment, lead sentencing judge to conclude that any sentence would be best served in the community by way of a Community Corrections Order — offender sentenced to Community Correction Order for a period of 22 months