25. The table above shows some data that describe Tom's T-Shirts' total product when Tom has 1 sewing machine. An increase in the number of workers from 1 to 2 a day increases average product of labor from T shirts per worker and marginal product of labor is T shirts per worker. Labor Quantity (workers (T shirts per day) per day) 0 10 22 30 34 35 a . O 10 to 22; 12 b. O10 to 11; 22 c. O 10 to 22; 22 d. O 10 to 11; 12