A manufacturing processing company currently owns a hydraulic pressing machine that was bought for $250,000 three years ago. This machine is worth $90,000 today. The operating and maintenance (O&M) cost of the machine is $15,000 in year 1, which increases by $1,000 ever year after that till the end of its remaining 3 years. If this machine is kept and sold after one year, it market value will be $50,000. If it is not sold in year 1, it has to be kept for two more years and its market value at the end of year 3 will be $10,000. A replacement hydraulic machine can be purchased for $200,000. The useful life of this machine is 5 years. Its O&M cost is $6,000 in year 1 and it increases by 3% every year after that. This machine can only be sold in year 3 for $80,000 or in year 5 for $50,000. If the MARR is 7%, determine when the best time to replace the current machine is