Pass the journal entries

Transactions July 3 July 4 July 6 July 10 July 12 July 14 July 18 July 20 Issued Cheque number 718 to Amped Up Industries. The cheque amount was $269.50 and a discount of $5.50 (including GST of $0.50) was received for early payment. Purchased 200 metres of cabling from Clips n Cables (Invoice 3081) for $9.50 per metre, plus a total freight charge of $100 and total GST of $200. Sold 15 Energy Saving Timers for $25 each, plus a total GST of $37.50 to Medical Centres SA (Invoice 4296) Purchased 20 safety switches from Amped Up Industries (invoice 7050) for $12 each, plus a total freight charge of $60 and total GST of $30. Cash Sale of 30 power boards with surge protection for $25 each plus a total GST of $75 to Heather Philips (Receipt 286) Paid "The Advertiser Newspaper" (Chq 725) S660 (GST included) for advertising in the local paper. Sold 150 metres of cabling for $12.50 per metre plus a total GTS of 187.50 to Gully Construction (Invoice 4297) Issued Cheque number 719 to Safety First. The cheque amount was $1463 as full payment of their account.