Given the following information, what is the standard deviation of the returns on a portfolio that is invested 40 percent in Stock A, 35 percent in Stock B, and the remainder in Stock C? 
Definitions:
Readily Understood
Readily understood indicates something that is easy to comprehend or grasp without requiring excessive explanation or effort.
Technological Change
The advancement and innovation in technology, impacting how products are made and services are delivered.
Product Life Cycles
Refers to the multiple iterations a product goes through from its initial launch to its eventual phase-out from the market.
Product Life Cycle
The journey of a product through the marketplace, commencing with its introduction, moving into growth and maturity, and concluding with its decline.
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