Accounting, I need hand write calculations step by step please

On 8 April 2010, Dreamland Park purchased a ferris wheel for $300,000. The estimated life of the ferris wheel was 10 years, with an estimated residual value of S60,000. The service life in terms of output is estimated at 30,000 hours of operation. Compute the depreciation on this ferris wheel in 2010 and 2011 using the following methods. 2010 2011 a Straight-line (with half-year convention) 200%-declining-balance (with half-year convention) 150%-declining-balance (with half-year convention) Units-of-output method (hours of operation: (2600 in 2010, 6,000 in 2011) d e Straight-line (with depreciation calculated to the nearest whole month)