This cache is part of greatbigdiddy's 2nd 7 mysteries marathon.

The cache is NOT at the posted coordinates.

You will need to solve a puzzle in order to get the mystery location of the cache.

TAX

This cache is all about TAX

In order to solve this puzzle you will first need to decrypt the encrypted instructions below. Use the tool at the link provided you will need to have an Alphabet Key and a Passphrase. The Alphabet Key will be the cache name and the Passphrase can be found by exploring a location approximately 200 meters directly South East of the posted coordinates and using your smarts ... you are looking for a 7 letter word. Remember to set the tool to decrypt.

http://rumkin.com/tools/cipher/vigenere-keyed.php

Puzzle

Ag pvfs fmwi hkoyvov Tsmrrw gkwibrn bv fosr ir Isnzqj ce rhc oojogngxq rl 2006. Xe jmzgky a ebtg phb gx Mcraapj jqj vorurb f xorfo cuy mmhog og ol Yjqasrv 1fi. Kol jmo acoy hga j qowe qmwczp symbbogg zl $85,000 ahz peze flex ilpbhfleq bp 5% hxzrv jocz. Xiq vtpk woql rls $275,000. Lakgoo bss srba lkuemw cuy oltg wwzny $1000 cov shnyv tq mhobf jqj lephsfkl. Fme ikk tipfi 3 aksrq vo ooneb vovk rhc hjoaz od vsw nhmc wzfzzaqrn ec 12% iep jocz, vuy lrhu bt betswzd aj 7% ocix ycmb ivk tfr zhgr 2 ycmbw. Tsmrrw gkwibrn kk xab rzraah ms Mcraapj’c irmcygjbogg netskktv hjoazs zxn Ffgabm’c koah ymkht. Xe brmljzd yb yrxz bzpv kvfe zl ikk znb bp 2010.

Ll Lakgoo nsd z ftooy ulprcuailu jqumaj wzfvfe ymk vfre ms 30% ikk znywbh ebmc vo ooneb vovk snb vsw fgnrmw szhpceia esx umc .5% cuy hc mwtfps qldfq ro fwc $1000 skk mmxik og gmbnw fgd qrbzoweq fahuyilu ikkg etmmbrp hmi yyix tzn nlj hlb gzfrz Sza rcxz tm cja eh “ulpwh tsm” bgblua hgf 5 ghfks gx Mcusdz? 

Stv exe qmvh vt tfwc saqzjr fh bblj mcwafe yvjb Tsmrrw goy nml acc snv UCB vg hgf rrsz premkfle zxn bnst netskktv ljdkl apr nyk st yvo huy od lrh czap mzg fke amchj hn vbdv nhmcf ecrme zl ikk znb bp bnz ycmb ct oejt.

Oqezr vbdv lbnzt jqtoep wzbv rhc prhidep wp avm apr mrzkexl ikk fyqlovc eoxmilvg wgtw ek kesrjoky.

Dmx’i ivkgcl ikk yojtjv tbgl

You can validate your puzzle solution with certitude.