Consider the poset with the following Hasse diagram. Which among the following options is true? 72 48 24 12 4 3. 3 and 4 are minimum elements and 72 is maximal. O 3 and 4 are minimal elements and 48 is not a maximal element. This poset is a total order set 3 and 4 are minimal elements and 48 and 72 are maximal. O None of these