On 15 Mach 2019 Smart Stationery Sdn Berhad entered into a contract to transfer 10 unit of computers to Wonderful Sdn Berhad on 31July 2019. The selling price of each computer is RM3,000 while the cost is RM2,000. According to the contract, 50% of the sales value must be paid on 1 September 2019 and the balance needs to be settled on 1 December 2019. Smart Stationery Sdn Berhad delivered 10 units of computer to Wonderful Shd Berhad but on 15 August 2019, one of the computers was returned as it is faulty. No replacement was made as Smart Stationery Sdn Berhad was running short of this particular model of the computer. Based on the terms and conditions of the contract, either party can unilaterally terminate the contract without compensation before the products are delivered. 10% and 5% discount were given to Wonderful Sdn Berhad when payments were made on 1 September 2019 and 1 December 2019 respectively.

Required: Provide the journal entries in the book of Smart Stationery Sdn Berhad with regards to this contract in 2019. (5 marks