Worker A earns $8.10 per widget produced, produces 10 widgets per day, and works 9 hours per day. Worker B earns $8.40 per widget produced, produces 8 widgets per day, and works 7 hours per day. Which of these statements is true? A. Worker B earns more per day than worker A but less per hour than worker A. B. Worker A earns more per day than worker B but less per hour than worker B. C. Worker A earns more per day than worker B and more per hour than worker B. D. Worker B earns more per day than worker A and more per hour than worker A.