Alex took clothes to the cleaners three times last month. First , he boight 3 shirts and 2 pairs os slacks and paid $11.45. Then he bought 6 shirts , 2 pairs os slacks, and 2 sports coats and paid $28.90. Finally, he bought 4 shirts and 2 spots coats and paid $18.94. How much was he charged for each shirt, each pair of slacks, and each sports coat?

Alex was charged$___ for each shirt,$____ for wach pair os slacks, and $___ for each sports coat.