1. Raishan Company purchased a factory machine for $51,000 on January 1,2016 . The machine is expected to have a salvage value of $6,000 at the end of its 6 years useful life. Throughout those 6 years, the machine is expected to be used for 5,000 hours. calculate the depreciation by using the straight-line method. 2. Maria invests $500 in a building society with interest of 8.3% per annum. Lucia invests $250 at the same rate. a. How many years does it takes for the value of Lucia's investment to become greater than $400 ? b. How many years does it takes for the value of Maria's investment to become greater than i. $700 ? ii. $850