Identify the bug and suggest how to fix it. (4) #define RED LED 30 #define GREEN_LED 39 void setup() { } // put your setup code here, to run once: pinMode(RED LED, OUTPUT); pinMode(GREEN_LED, OUTPUT); Serial.begin(9600); void loop() { // put your main code here, to run repeatedly: digitalWrite (GREEN_LED, HIGH); Serial.println("Go!"); delay(4000); digitalWrite(RED_LED, HIGH); Serial.println("Slow Down!"); delay(1000); digitalWrite(GREEN_LED, LOW); Serial.println("Stop!"); delay(5000);