A company produces 1,250 bicycles in one week. The labor used to make the bicycles was 610 hours. The next week, output was 1,200 bicycles using 530 hours. What was the change in labor productivity? Choose the closest answer. a. Increased by 10.5% b. Decreased by 4.0% c. Increased by 13.1% d. Decreased by 9.5%