please give me a best solution of this business issue. (be sepecific)

our team consists of the most talented McDonald’s executives , individually based at many locations around the world . You have been brought together as a ” Task Force ” by the McDonald’s Board of Directors to address the recent discovery that one or more of the ingredients in the recipe for the meat patties may cause stomach cancer for individuals who eat 1 or more hamburgers per week . This is based on several reported cases occurring in different countries , including the U.S. , U.K. , Spain , Japan and Australia . Specifically , it has been discovered that the food ingested by the cows which are used to produce the beef have been fed unintentionally a carcinogen at 5 of the 12 major beef producers world – wide that provide raw patties to McDonalds distribution points . The Board wants the Task Force to present a proposal within 4 weeks as to how this major problem should be managed to
( 1 ) protect the reputation of McDonald’s ; ( 2 ) maintain sales of their hamburgers and other food items ; and ( 3 ) be cost effective .

Your mission : Prepare the presentation to the Board ribing the Task Force’s proposed ” solution ” to this sudden and unexpected world – wide problem .