use this to access object methods

Author: sney2002

README.md

@@ -1940,9 +1940,9 @@ class PerformanceReview {
   }
 
   perfReview() {
-      getPeerReviews();
-      getManagerReview();
-      getSelfReview();
+      this.getPeerReviews();
+      this.getManagerReview();
+      this.getSelfReview();
   }
 
   getManagerReview() {
@@ -1966,9 +1966,9 @@ class PerformanceReview {
   }
 
   perfReview() {
-      getPeerReviews();
-      getManagerReview();
-      getSelfReview();
+      this.getPeerReviews();
+      this.getManagerReview();
+      this.getSelfReview();
   }
 
   getPeerReviews() {