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How to measure the cost/value of an Asset in the Financial Statement
Does the friend fix your electrical wiring and the engine of your car? If you need a professional advice - ask a professional. In this case - an accountant (not necessarily a CPA, but at least an experienced bookkeeper). Financial Statements (official documents, that is) must be signed by a public accountant (CPA in the US) or the principle (you). I wouldn't take chances and would definitely have an accountant do that. You need to consider the asset useful life, and the depreciation. The fact that you use it for non-business purposes may be recorded in various ways. One that comes to mind is accounting as a supplement for depreciation: You depreciate the percentage that is used for business, and record as a distribution to owner the rest (which is accounting for the personal use). This way it would also match the tax reporting (in the US, at least). Bottom line: if you're preparing an official financial statement (that you're going to submit to anyone other than yourself) - get a professional advice.