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Answer the following questions: 1) Machinery purchased for RO 100,000 with an estimated useful life of 10 years. The expected salvage value at the end of its useful life is RO 10,000. i) Calculate depreciation under Straight Line Method. ii) Calculate the depreciation under Write Down Value method and prepare a Depreciation Schedule for 5 years. (3 marks) 2) Briefly discuss the different uses and the application of Business Mathematics concepts in day-day business activities. (4 marks) 3) Salim and Ahmed are brothers and their earnings RO 240,000 and RO 400,000 per year respectively. Salim's savings is RO 40,000 and Ahmed's savings RO 50,000 per year. You are required to find the ratio of their expenditure in the year. (2 Marks) 4) Explain the Value Added Tax (VAT) rate structure in Oman and discuss the types of business should registered in Oman under VAT? (4 marks) 5) The price of a product is RO 600, and profit is RO 150. Find the rate of markup on cost and rate of markup on selling price. (2 Marks) Note: You are required to provide the references for theory questions