Question: The matching principle requires expenses be matched with revenues, and in the accounting period, the effort is made to generate those revenues. However, unlike general operating expenses, plant assets cost is generally not expensed in a single accounting period, but rather over the estimated useful life of the asset.

1- how to apply these methods using the straight-line, double declining balance and units of production?

2- reflect on the process the uses to arrive at the answers and the various explanations to help you understand why each step is taken?