How much do you have to deposit today so that beginning $11$ years from now you can withdraw $$$$10$ comma $000$ a year for the next $7$ years$($periods $11$ through $17)$ plus an additional amount of $$$$20$ comma $000$ in the last year$($period $17)?$ Assume an interest rate of $8$ percent.

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Part $1$

The amount of money you have to deposit today is $$$

$$

enter your response here. $($Round to the nearest$$ cent.$)$