Guidance Sandwich: Providing commentary before and after the guidance excerpt in your own words.

Problem: Savvy Sisters, a high-end furniture production company, has purchased a new plant and has asked you: Over what period should our new plant be depreciated? The plant's estimated useful life is 40 years. Using a guidance sandwich, respond to this question. That is, introduce the issue, quote relevant guidance, then summarize how the guidance applies to the issue.