help with Javascript Price Calculator?

Hi i wrote a code for a price calculator where you are supposed to enter you price state residence etc on a pop-up prompt, but i dont know how to get the pop up to work or how to display my final sum
any help tonight would be greatly appreciated
https://paste.ofcode.org/hnEBQHENPyz6dMkUmiguQE

John2018-03-10T00:43:12Z

. replace all "/" with "//" for comments
. replace "initial price" to "initialPrice" in line #27
. replace all "clubmembership" to "clubMembership"
. replace all "toUppderCase ()" to "toUpperCase()" no whitespace in between
. replace the "+finalPrice" to "finalPrice" in line 51