Problem $7-02$

a$.$ How much will be in the account when the individual retires at the age of $65$ if the savings program starts when the person is age $40?$

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b$.$ How much additional money will be in the account if the saver defers retirement until age $70$ and continues the contributions?

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c$.$ How much additional money will be in the account if the saver discontinues the contributions at age $65$ but does not retire until age $70?$

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