Which of the Following Statements Is NOT True? I

Which of the following statements is NOT true? I. The increase in the minimum wage in Puerto Rico in 1938 did not affect Puerto Rico's unemployment rate. II. About 15 percent of all hourly workers in the United States earn the minimum wage. III. Raising the minimum wage is an effective method to combat poverty. IV. Raising the minimum wage decreases employment of low- skilled workers.

A) I and II only
B) II and III only
C) I, II, and IV only
D) IV only