8. Hearsa Manufacturing Inc. purchased a new machine on January 2, 2008, that was built to perform one function on its assembly line. Data pertaining to this machine are:

Acquisition cost P330,000

Residual value P30,000

Estimated service life:

Years 5

Service hours 250,000

Production output 300,000

Using each of the following methods, compute the annual depreciation rate and charge for the years ended December 31, 2008 and 2009:

(1)

Straight-line

(2)

Service hours (assume 32,000 hours for 2008 and 36,000 hours for 2009).

(3)

Productive-output (assume 31,000 units for 2008 and 37,000 units for 2009).