4. A company is proposed three different production lines. Production line A involves the purchase of a machine for 8,000$ by 6 years life and 1,800 $ salvage value at that time. It is included additional cost of 0.5$ per unit of product produced per year. The plan of production line Binvolves the purchase of a machine for 10,000$ with same life span of production line A with 3.500 salvage value at that time and additional tost of 0,32$ per unit of product produced per year. It is planned to purchase a machine for 7,600 for production line with 2,000 salvage value when disposed of in 7 years and additional cost of 0.265 per unit of product produced per year. For what range of annual production volume values is each method preferred? (i = 10%) (Break even Method). POINT:25