This is an answer key to an assignment. Can you please explain how to get the numbers that are in the answer key? Please include the formulas and explanations on how to solve this.

Podunk Pole Company started business in July 1, 2020 with the following purchases: The Processing Equipment is rated to run for a total of 60,000 hours based on three shifts in ten years. Prepare a depreciation schedule for land improvements, processing equipment and office equipment