The Good Guys engaged in the following transactions during April of the current year (all expenses, purchases and sales include GST at a rate of 10%, values to the nearest integer): April 18: Sold inventory on credit terms of 2/10n/30,$3960 (cost, net of GST, \$2256). April 22: Received returned goods from the customer of the 18 June sale, \$1584 (cost, net of GST, \$816). April 28: Received cash in full settlement of the account from the customer who purchased inventory on 18 April, less the return on 22 April. Journalise the transactions. Narrations are not required ( 9 marks vailable)