a) IF U = {a , b, d, e , f, g, k, m} is a universal set having subsets R = { a, e, m}, S = {a, b, f,k} and T= {d, f, g, k, m} then determine the elemnt(s) of the following set:

[R^c n (S U T^c) ] ^c

^{1) 0}

^{2) { a, b, f}}

^{3) {a, d,e,g,m}}

^{4) {k,m}}