Find the sum of the series. 
Definitions:
Progress Report
A document or update that outlines the current status, developments, and future projections of a project or task.
BCC Function
In email correspondence, the feature that allows the sender to copy individuals inconspicuously, ensuring that recipients do not see the other addresses to which the message was sent.
Pertinent Information
Information that is relevant and directly related to a specific topic or context.
Cause-and-effect
A relationship between events or things, where one is the result of the other or others, a combination of action and reaction.
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