add_price.patch

diff --git a/main.go b/main.go
index b8b5b4f..d67edda 100644
--- a/main.go
+++ b/main.go
@@ -42,6 +42,9 @@ func (s *TicketService) CalculatePrice(age int, isStudent bool) (float64, error)
 		price *= 0.8
 	}
 
+	// Apply an additional discount of 2% for everyone
+	price *= 0.98
+
 	return price, nil
 }
 
@@ -60,4 +63,13 @@ func main() {
 
 	// Print the price
 	fmt.Printf("Price: $%.2f\n", price)
+
+	// Calculate the price for a 25-year old student
+	price, err = s.CalculatePrice(25, true)
+	if err != nil {
+		panic(err)
+	}
+
+	// Print the price
+	fmt.Printf("Price: $%.2f\n", price)
 }