#for loop to support looking into the array from the last entry   
		for ($i=$#studentID; $i>=0; $i--)  
		{  
			#pulls from the for loop looking for the search_key id within the studentID array  
			if ($studentID[$i] == $search_key)  
			{  
				#exits the loop  
				last;  
			}  
		}  
		  
		#if number is found, display the information for that array number.  
		if ($i>=0)  
		{  
			print "\nStudent ID: \t@studentID[$i]";  
			print "First Name: \t@firstName[$i]";   
			print "Last Name: \t@lastName[$i]";   
			printf ("Amount Due: \t\$%1.2f", @amountDue[$i]);  
		}  
		  
		#if not found, print name not found  
		else  
		{  
			print "\nName not found.\n";  
		}