within this for loop is there any way to access different pieces of the 
description and amt?  car-ing and cdr-ing for example?

Or move the identifier definitions into the let*, and pass those to for in 
some way?

(let*((ratio 9/12))
  (for((description(list "this" "that"))
       (amt(list 4467.61 2428.37)))
    (printf"~a ~a: changed values\n"
           description
           (cat(* amt ratio) -2.))))

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