ex the usual one ok. 3 fortune coins for cave key, so 1 cave key worth of 13 cps then 3 fortune coins is 13 cps . when clothing aroudn25 so u just substarct with 3 then its left 8 x 13 = 104 cps. that how to calculate bassi on coins . But if basis from cps that u use it realy expensive all of them.