If |z1| = 2, |z2| = 3, |z3| = 4 and |2z1 + 3z2 + 4z3| = 4, then absolute value of 8z2z3 + 27z3z1 + 64z1z2 equals
(a) 24
(b) 48
(c) 72
(d) 96