Compare three depreciation methods, transactions for fixed assets,

All together there are three separate problems. I have provided the pdf files in order for you to help me complete these questions properly. As always, I will provide the working papers if you wish to use them. The most important part is answering the questions I provided. These are questions that are based off of all the homework done. I need them to get a good score. Your help is appreciated as always. Reminder: included in the working papers are the questions I must have answered.