Use a Karnaugh Map to optimize the following Boolean functions f together with the don't-care conditions d : A. f(a,b,c,d)=m(0,3,5,7,11,13),d(a,b,c,d)=m(4,6,14,15) B. f(w,x,y,z)=m(0,6,8,13,14),d(w,x,y,z)=m(2,4,7,10,12) C. f(a,b,c)=m(0,1,2,4,5),d(a,b,c)=m(3,6,7)