adding cs142 code

cs142/final/administrator.cpp

@@ -0,0 +1,14 @@
+#include "administrator.h"
+#include "employee.h"
+
+using namespace std;
+
+administrator::administrator(string name, double pay_rate, int hours, string type) :
+     employee(name, pay_rate, hours, type) {}
+
+int administrator::get_salary() {
+    if(hours > 170) {
+        pay_rate += pay_rate * .1;
+    }
+    return pay_rate;
+}