need help with all the questions that the A is blank

Q: Select the term used to write off a plant asset (what do we call recognizing the cost of the expense of a capital asset) Q; definition of book value A: the value of a security or asset as entered in a company's books Q: When we make an addition or major improvement to a plant asset how do we account for it Q; given 4 principals of accounts which one requires us to recognize depreciation A: The matching principle Q; How to calculate gain or loss for depreciation Q; How to calculate a gain for plant asset Q; Where is the loss or gain on financial statement Q; Selling an asset what is the book value of the asset (what can we infer if the plant asset is full depreciated and has no salvage value) Q; Definition of book value Q; How do we account for R&D A: will be accounted on the income statement