problem of hide/unhide columns based on drop down list

Hi guys,

Now, from D2 to the end of the col D, I created a drop down list with 2 option Yes or No. when I choose Yes, the col I will be hided. When I choose No, the col I will be unhided.

My code is below:

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How I change target from D2 to the end of the col D?
And how auto unhided the col I when the option No is changed Yes?

Thanks a lot!

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