What is the minimum sum-of-products (SOP) that can be derived from this Karnaugh map: 0 1 0 10 O f(a,b) - la!b of(a,b) =a+lb Of(a,b) - la+b of(a,b) = a + b Of(a,b) = alb + lab O None of these. Of(a,b) = a + b Of(a,b) = ab f(a,b) = ab + !alb