How much did an old $$$$41$ comma $100$ EE savings bond cost when you initially purchased$$ it$?$ Assuming the bond earned $3\mathrm{.}85$ percent$$ annually, approximately how long did it take for the bond to reach its stated face$$ value?

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Part $1$

When you initially purchase$$ it$,$ the EE saving bond did cost $$$

$$

$20550.($Round to the nearest$$ dollar.$)$

Part $2$

Assuming the bond earned $3\mathrm{.}85$ percent$$ annually, the length of time it took for the bond to reach its stated face value was$$

$$

enter your response here years.$($Round to one decimal$$ place.$)$