pte pters 5 3. An asset for drilling was purchased and placed in service by a petroleum production company. Its cost basis is $60,000, and it has an estimated MV of $12,000 at the end of an estimated useful life of 14 years. Compute the depreciation amount in the third year and BV at the end of the fifth year of life by each of the methods: a) SL method b) 200% DB method with switchover to SL c) GDS and ADS pte pters 5 3. An asset for drilling was purchased and placed in service by a petroleum production company. Its cost basis is $60,000, and it has an estimated MV of $12,000 at the end of an estimated useful life of 14 years. Compute the depreciation amount in the third year and BV at the end of the fifth year of life by each of the methods: a) SL method b) 200% DB method with switchover to SL c) GDS and ADS