Given the following information,compute the standard deviation for Investment A: 
Definitions:
Stockholders' Equity
The residual interest in the assets of a corporation after deducting liabilities, representing the ownership interest.
Recordable Transaction
A transaction that must be entered into the financial records of a company because it affects the financial position.
Cleaning Service
A business that provides cleaning and maintenance services for commercial or residential properties.
Note Payable
A written promise to pay a specific sum of money, either on demand or at a fixed or determinable future time.
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