Assignment 9: Q1. Consider the incomplete 6-node network shown below, with the given link costs. u 6 W Consider the completed table below, which calculates the shortest distance to all nodes from V: Node Shortest distance from V | Previous Node | V 0 n/a X V U 5 V W 6 V Y 6 Z 12 1. For link X, what is the cost associated with this link? If the answer can't be determined given the information, respond with 'n/a' 2. For link Y, what is the cost associated with this link? If the answer can't be determined given the information, respond with 'n/a'