Depreciable amount-33000-3000-30000 1) Straight line method-(33000-3000)/5-6000 per year 2) Sum of the years digit Year Depreciation Calculation 10000-30000x5/15 8000 |-300004/15 6000 |-300003/15 4000 |-300002/15 2000 30000x1/15 3 4 3) Double Declining rate-100/life x 2:40% Depreciation-opening book value x 40% Book value Closing book value 19800 11880 7128 4277 3000 Year Depreciation 33000 19800 11880 7128 4277 13200 7920 4752 2851 1277 3 4 4) Depreciation per mile 30000/100000-0.3 per mile Miles Year Book value Depreciation Closing book value 33000 26400 19200 14700 8700 22000 24000 15000 20000 21000 26400 19200 14700 8700 3000 6600 7200 4500 6000 5700 3 4