hepatitis's c .
It is estimated that their are 2.7 million chronic Hepatitis c patients in USA as of 2013.
New drug Sovaldi which costs 84000 dollars for a course of 84 pills is approved for treatment and has been proven to be very successful for the treatment.
To treat 2.7 million patients it will cost 2.7X 84000million dollars to treat these people. That is 1680+0588 =226800 million.Or it is 226 billion.