Just need the answer to question A, thank you

Kasturi Bhd. Operates a retail computer store in Selangor. To improve its delivery services to customers, the company purchased four (4) new trucks on 1 July 2019. The terms of acquisition for the trucks are as follow: (a) Truck no. 1 has a list price of RM80, 000 and was acquired for a prompt payment with 10 percent cash discount. (b) Truck no. 2 has a list price of RM100,000. It was acquired in exchange for 20 sets of computer system which Kasturi carries in inventory. Each set of computer system cost RM5,000 and is normally sold by Kasturi at 10 percent mark-up. Kasturi uses perpetual inventory system. (c) Truck no. 3 has a list price of RM90,000. It is acquired in exchange for 10,000 shares of Kasturi shares. The shares have a par value of RM1each and are actively traded in the Makmur main market at RM10 each. (d) Truck no. 4 has a list price of RM110,000. It is acquired in exchange for and old truck which Kasturi purchased on 1 January 2010 for RM61,000. It was estimated that the old truck would have a residual value of RM1,000 and a useful life of 10 years. Kasturi use straight line depreciation and based on current survey from second hand market, the fair value of the old truck is RM25,000. Kasturi was given a trade in allowance of RM20,000 and paid the balance in cash. REQUIRED: (a) Determine the acquisition cost for each trucks. Justify your answer. (b) Prepare all necessary journal entries for the newly acquired trucks