6. Which of the given statements is/are correct with respect to the following UML diagram? 1) It is an Interaction Overview diagram. 11) In diagram number 1 is used to represent the actual test condition that determines which of the paths exiting the decision node is to be traversed. III) In diagram number 2 indicates a join node and number 3 indicates a fork node. IV) In diagram number 4 indicates a merge node. V) Send Invoice, Fill Order and Ship Order are parallel activities. Process Order Requested Order Receive Order 2. Invoice 3 c dn accepted Send Invoice Accept Payment 1 Order ci Close Order | Word rejected Ship Order a) I, III, V b) II, III, IV, V c) Only IV d) II, III, IV Only II ILIV f