Add comments for variable reassignment statements in 1-percentage-change.js

Author: moses77-boop

Sprint-2/3-mandatory-interpret/1-percentage-change.js

@@ -33,4 +33,8 @@ console.log(`The percentage change is ${percentageChange}`);
 // b) Line 5 seems to broken.
 // Error message - SyntaxError: missing ) after argument list
 // Reason for error: There is a missing comma between two arguments of replaceAll.
-// To fix the error, we need to add the missing comma between the arguments of replaceAll.
+// To fix the error, we need to add the missing comma between the arguments of replaceAll.
+
+// c) Lines 4 and 5 contain variable reassignment statements
+//    Line 4: carPrice = Number()
+//    Line 5: priceAfterOneYear = Number()