The type of investment that completes the provided diagram is the high-risk investment.
Option C is the correct answer.
What is meant by investment?
Investment is the technique to acquire any asset and avail of the benefits in the upcoming years.
The risk and returns on investments are interlinked with each other. If an investor wants to have higher returns, then he/she has ready to take higher risks. If an investor doesn't want to bear the greater risks, then he/she can only able to get lower returns.
Therefore, the high-risk investment is the best investment to make the provided diagram complete.
Learn more about the investment in the related link:
https://brainly.com/question/22530069
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