Concept:Annual depreciation is the yearly reduction in the value of an asset, found using its cost, salvage value, and useful life.Explanation:From the farm record, the asset cost is ₦500.00.The salvage value is ₦50.00.The useful life is 10 years.Annual depreciation is computed as:Annual depreciation=useful lifecost−salvage value=10500−50=10450=45.00Answer:B. ₦45.00