At a community bake sale, Justin earned $1.50c selling cookies, $2.25m selling muffins, and $1.90b selling brownies. He paid $0.30b for the ingredients for the brownies, $0.19c for the cookie ingredients, and $0.59m for the muffin ingredients.

Which expression represents his total profit?
1.2c+2.06m+1.31b

1.8c+2.44m+2.49b

1.31c+1.66m+1.6b

1.69c+2.84m+2.2b