If the Wage Rate Increases from $9 to $10 And,as

If the wage rate increases from $9 to $10 and,as a result,the quantity demanded of labor decreases from 400 workers to 350 workers,then the absolute value of the elasticity of demand for labor is

A) 0.789.
B) 2.300.
C) 0.435.
D) 1.267.
E) 3.791.