A _____ Is an Electronic Attachment Not Visible in the File

question 203

Multiple Choice

A _____ is an electronic attachment not visible in the file that verifies the authenticity of the author.

• A) watermark.
• B) digital signature
• C) signature line
• D) security certificate

---

Definitions:

Marginal Cost

The additional cost incurred by producing one more unit of a good or service, a crucial concept in economic decision-making.

R&D Financing

The allocation of financial resources towards research and development activities within a company or institution, aiming to innovate or improve products or technologies.

R&D Expenditure

Financial resources allocated by businesses, governments, or other entities to research and development activities aimed at innovation and improvements.

Future Profits

Expected earnings of a company or project in upcoming periods, often used in valuation and investment decision making.