Use the Venn Diagram method to determine whether this argument is valid or not. Build a translation key and put the argument into standard categorical form. Please also refer to the Standardized Venn Diagram Map for J. Ford's course (your answer should include which regions of the Venn for the premises are shaded and where X's are placed, and do the same for the conclusion). A few CD players use 24x sampling, so some of them must cost at least $20, because you can't buy any machine with 24x sampling for less than $20