Необходимо воткнуть одно слово It is a well-known fact that teenagers

Необходимо воткнуть одно слово It is a well-known fact that teenagers today have greatest spending power (1)... they used to have. (2)... seems the more money they get, the faster they spend it. Nowadays another common trend is teenagers with credit cards. It is not unusual to see them spend large surms of money on clothes (3)... are then paid for by their parents.