Joe Nautilus has $$210,000$ and wants to retire. What approximate return must his money earn so he may receive annual benefits of $$30,000$ for the next $10$ years?

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Question at position $5$

Mr$.$ Blochirt is creating a college investment fund for his daughter. He will put in $$1,000$ per year for the next $5$ years starting one year from now and expects to earn a $6\%$ annual rate of return. How much money will his daughter have when she starts college?