The parity principle does not require reduction of a sentence that is already as lenient as could sensibly be imposed, even where a co-offender has received a markedly more lenient sentence. For parity purposes in multi-count cases, the relevant comparison is the total effective sentence, not individual orders for cumulation and concurrence. Sentences of 3 years' imprisonment per count for large-scale hydroponic cannabis cultivation (124-148 plants, crop values of $296,000-$352,000) at separate locations are within the appropriate range in Western Australia.
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