In Pascal Call$-$by$-$reference is activated by preceding the parameter group with a VAR: VAR identifier$1,$ identifier$2,...,$ identifiern : datatype; Consider the following procedure :Suppose you called the above procedure from the main program as follows:Immediately after the procedure has been run, what are the values of alpha and gamma? Draw the memory locations at the start, at the call, and after the procedure has been run $($as we did in class$)$ and explain what is happening. DRAW DIAGRAM $/$ draw the memory locations WITH HAND. explain steps and answer all the questions. I will upvote! Tnx