Q1. Abdulaziz Co. purchased a machine in 2013 for SAR 50,000 that has a useful life of 5 years with a salvage value of SAR 5,000. Calculate the depreciation expense, accumulated depreciation, book value throughout its useful life using: 1- Straight-line Method. 2- Units of Production Method if the machine produces 100,000 units. Here is a table of units produced each year: 3- Double Declining Balance Method