17) Eric sells shirts. It costs him $100 to buy all the shirts and $10, total, to print designs on them. Eric sells each shirt for $4. So far he has sold 20 shirts. He uses the equation y = 4x - 110 to calculate his profit. What is the constant in Eric’s equation? A) 4 B) -10 C) 20 D) -110? please help me its exam time and i didn't pay attention