On 1 January 2021, machinery was purchased for $29 700 ($27 000 + $2700 GST) to be depreciated at 20% p.a. Insurance account was $1200 at 31 March 2021. Annual insurance premium was paid on 1 April 2021 $1980 ($1800 + $180 GST) and 1 April 2022 $2310 ($2100 + $210 GST).

Prepare balance day adjustment journals and closing journal entries for June 2021 and 2022, and reversal journals for 1 July 2021 and 2022.