The math club rented a sound system for their annual Mathematics Camp. They also rented a generator in case of power interruption. After the 3-day camp, the club paid a total of Php. 3000, three days for the sound system and 2 days for the generator. If each is rented by one day, the club should have paid a total amount of Php. 1,100. What was the daily rental cost of the generator?