The conditional expectation of Y given X,E(Y 
,is calculated as follows:
Definitions:
Net Book Value
The value of an asset or liability according to a company's balance sheet, deducting depreciation or amortization.
Accumulated Depreciation
Accumulated depreciation is the total amount of depreciation expense that has been recorded against a fixed asset over its useful life to date.
Depreciation Expense
The allocation of the cost of a tangible fixed asset over its useful life, reflecting the consumption or wear and tear of the asset.
Equity Infusion
Capital that is provided to a company in exchange for partial ownership, often used to boost the company's growth or stabilize its financial health.
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