The type of investment that best completes the diagram is a certified investment. The correct option is A.
What is a certified investment?
Certified investment is the one in which we invest in a certified company or brokerage firm. These are offered by government bodies or big firms. They guarantee a high amount of interest, if not interest then you get your principal amount.
The certified investment will have the lowest risk of losing money because if you do not get the interest, you will not lose your principal amount of money.
All others have a chance of losing your money. Diversified investment is the one in which you invest in various companies and high risk is not valid. You should check before investing your money because it can lose you a great amount in seconds.
Thus, the correct option is A. Certified investment.
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