?ata???ste t?? ??s?a t?? µe??µat?? µ???et???? (ep?s?? ???st? ?? ta 4 Ps) se µ???? 50 ?ept? µe a?t? t? p?a?t??? ?a? s???pt??? ß?ß???. ?? µe??µa µ???et???? ?a??pte? ta e??a?e?a p?? ????? st? d???es? t??? ?? ?µp???? ??a ?a a?apt????? ap?te?esµat???? st?at?????? µ???et???? ?a? ?a ep?t????? t??? st????? t??? st?? a????-st???. ?ts?, µe t??? t?sse??? ßas????? pa?????te? t?? p?????t??, t?? t?µ??, t?? t?p?? ?a? t?? p?????s??, ?? ?µp???? µp????? ?a ?aµß????? p?? ???p?e? ap?f?se?? ??a ?a e?asfa??s??? t?? ep?t???a e??? s???e???µ???? a?a???, ?p??es?a? ? eµp?????? s?µat??. ?? ß?ß??? a?t? sa? pa???e? µ?a e????st? e?sa???? se ???e st???e?? t?? µe??µat?? µ???et???? ?a? safe?? s?µß????? ??a t? p?? ?a t? efa?µ?sete st?? st?at????? s?ed?asµ?. ?e???aµß??e? ep?s?? a??et?? µe??te? pe??pt?se??, µ?a s???t?s? ??a t?? p??a??? pa??de? ?a? µ?a e?sa???? se s??af? µ??t??a, ?p?? ta 7 Ps ?a? ta 4 Cs. S?et??? µe t? µe??µa µ???et???? : ?? µe??µa µ???et???? s???e?t???e? ??a ta e??a?e?a p?? ??e? st? d???es? t?? µ?a ep??e???s? ??a ?a a???se? t?? p???se?? t??. ?a d?a???t??? "4 Ps" ep?t??p??? st??? ???ste? ?a ?aµß????? te?µ????µ??e? ap?f?se?? s?et??? µe t?? p???t??? p?????t??, t?? t?µ?????a?? p???t???, t?? p???t??? d?a??µ?? ?a? t?? ep????????a?? p???t??? ??a t?? p??s????s? ?ata?a??t?? st?? a????-st???. ?? µ??t??? e??a? ????????µ??? a??? e????? st?? efa?µ??? ?a? d?d?s?eta? e????? st?? s????? d?????s?? ep??e???se?? ?a? ???s?µ?p??e?ta? e????? st?? p????. Se a?t? t? ß?ß???, ?a a?a?a???ete p?? t? µe??µa µ???et???? µp??e? ?a sa? ß????se?, p?? ?a ?aµß??ete ßas???? ap?f?se?? se ?a?eµ?a ap? t?? t?sse??? ?at?????e? ?a? p?? ?a ???s?µ?p??e?te a?t? t?? p??s????s? ??a ?a d???µ?sete t? st?at????? µ???et????. ??a saf?? e????s? t?? p?e??e?t?µ?t?? ?a? t?? p??a??? µe???e?t?µ?t?? t?? µe??d??, µ?a s???t?s? d?af???? µe?et?? pe??pt?s?? ?a? µ?a e?sa???? se s?et??? µ??t??a sa? d????? ta e??a?e?a p?? ??e???este ??a ?a p??sa?µ?sete t?? p??s????s? sa? st?? pe??pt?s? sa?