Danielle Ryan, a $25-$year$-$old personal loan officer at Second National Bank, understands the importance of starting early when it comes to saving for retirement. She has designated $$3,500$ per year for her retirement fund and assumes she'll retire at age $65.$

a$.$ How much will she have if she invests in CDs and similar money market instruments that earn $6$ percent on average? Round your answer to the nearest dollar.

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b$.$ How much will Danielle have accumulated when she turns $65$ if she invests in equities and earns $10$ percent on average? Round your answer to the nearest dollar.

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c$.$ Danielle is urging her friend, Jerry Cunningham, to start his plan right away because he's $35.$ What would his nest egg amount to if he invested in the same manner as Danielle and he$,$ too, retires at age $65?$ Round your answer to the nearest dollar.

Nest egg amount at $6\%,$$ $$

Nest egg amount at $10\%,$$ $$