A company bought a telecommunication equipment for P900,000. Other expenses including installation amount to P120,000. The equipment is set to have 12 years with the salvage value at the end of life of P52,000. Determine the depreciation charge during the 5^th year and the book value at the end of the 7^th years by

(a) Straight-line method

(b) Declining balance method

(c) Double declining balance method

(d) SYD method

(e) Sinking fund method with i=13%