You buy a Treasury note for $$930.$

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Instructions:$$Round your answers to two decimal places.

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a$.$If you receive a payment of $$40$ every six months, then the annual rate of return is: $\%.$

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b$.$If you receive a payment of $$30$ every six months, then the annual rate of return is: $\%.$

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c$.$If you receive a payment of $$45$ every six months, then the annual rate of return is: $\%.$