The old piece of factory equipment was purchased four years ago for $900,000. Over the last four years, ComTek has allocated depreciation based on the straight-line method. The expected salvage value is $40,000. The current book value of the factory equipment is $560,000. The operating expenses total approximately $50,000 a year. It is estimated that the residual value (market value) of the old machine is $325,000. eight years, salvage value of 35,000 , and annual operating costs of $40,000. n consideration of the background, prepare a memo in a Word document to submit to the controller. Your first paragraph would be an introduction paragraph of what the memo is about. Next, you will want to consider the equipment replacement decision. To add clarity to your discussion, you can insert a table comparing the old equipment to the new equipment n evaluating the "relevant" costs, what does your analysis show? Do you recommend that the equipment be replaced or kept ongoing for the next eight years? Why or why not?