Seceda Furnace Company purchased machinery for $315,000 on May 1, 2017. It is estimated that it will have a useful life of 10 years, salvage value of $15,000, production of 240,000 units and working hours of 25,000. During 2018 Seceda Corp. used the machinery for 2650 hours and the machines produce 25,500 units. Compute the depreciation expense for 2018 using: 1. The Straight Line Method 2. The Units of Production Method 3. The Hours of Activity Method Parish Corporation purchased a new machine for its assembly process on August 1, 2017. The machine cost $117,900 and it was estimated would last for five years and have a salvage value of $12,900 at that time. It is also estimated that the machine will have a working life of 21,000 hours. In 2017 the machine was used for 800 hours. Compute the depreciation for 2017 using the hours of activity method