Question 3 R = 1 R is the 8th digit of your student number. For example, student number = 19012345A, R = 5. (1,000+ Rx 100) number of gas water heaters to be installed on customers' premises on a rental basis were purchased and put into service by ABC Gas Company. The following table shows all the related costs: Price of one gas water heater $ (5,000 - R 10) Insurance, Shipping & handling Salvage value $ (20,000+ Rx 100) NIL (a) What is Original Cost Basis (B) of ALL the gas water heaters purchased? (3 marks) (b) Compute the depreciation expense for the 2nd year AND the book value (BV) at the end of the 2nd year by each of the following depreciation methods. Round off your final answers to 2 decimal places. (i) Straight Line (SL) method. (ii) 150% DB (150% Declining Balance) method. (iii) 200% DB (Double Declining Balance) method. (iv) GDS (General Depreciation System) (4 marks) (4 marks) (4 marks) (4 marks) (4 marks) (v) ADS (Alternate Depreciation System) (c) Which of the following method will provide the LARGEST tax benefit in the 2nd year? Why? (2 marks)