Sure, an individual's cost would depend on the exchange rate, but since the OP asked about U.S. currency I assumed exchange rate wasn't the question. I guess he could've been asking about U.K. pence.
However, if indeed someone wants to know what a minute will cost in their own currency, that number should be available here: http://www.skype.com/intl/en-us/prices/payg-rates/
Simply change the View all rates window to the currency of your choice.
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