Du-point co. purchases a factory machine at a cost of Tk.1,850,000 on March 01, 2015. Du-point expects the machine to have a salvage value of Tk.50,000 at the end of its 3-years useful life. During its useful life, the machine is expected to be used 1,200,000 hours. Actual annual hourly use was:

Year	Hours
2015	400,000
2016	300,000
2017	500,000

Requirements:

Prepare depreciation schedules for assets under the following methods:

a) Units of activity

b) Sum of year

c) Double declining balance