Laurie works 8 hours and produces 7 units of goods per hour. Iris works 6 hours and produces 10 units of goods per hour. Which of the following can we conclude? Select one: O Laurie's productivity is greater than Iris's, but Laurie's output is less. O Iris's productivity is greater that Laurie's, but Iris's output is less. O Iris's productivity and output are greater than Laurie's. O Laurie's productivity and output are greater that Iris's