(2. Below is the code for class Node and class Queue. By using the code, please Suppose a queue called Q has been created using the code in above and the initial value of queue Q are as in the figure below;. a. Give the output when the statement below has executed. \begin{tabular}{|l|l|} \hline 1 & cout Q.getValue1 () endl ; \\ 2 & cout Q.getValue2 () end1; \\ 3 & Q.operation1 (); \\ \hline \end{tabular} b. Write a new function for class Queue called increase that could pass a parameter of type integer which will later be added to attribute data for each node. As an example, if the queue Q execute the function Q. increase (2), the queue Q will be updated as below