Construct the DuPont system of analysis using the following financial data for Key Wahl Industries and determine which areas of the firm need further analysis.
Key Financial Data 
Definitions:
Postman
A term traditionally used for a person who delivers mail and packages as part of a national postal service.
Loftus
Refers to Elizabeth Loftus, a cognitive psychologist known for her work on the malleability of human memory and the misinformation effect.
Trial Witnesses
Individuals who provide testimony in court cases based on what they have seen, heard, or have expert knowledge about.
Misinformation
Incorrect or misleading information that can create false beliefs or memories.
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