TABLE 10.21 Assembly-Line Task Information Work Element Immediate Predecessor Task Time (sec) A None 15 B A 20 C A 15 DEFGH A 20 C, D 30 D 22 B 14 G 20 I E, F, H 20 J I 18 K J 16 TABLE 10.22 Dress-Making Task Information Immediate Predecessor Task Time (sec) Work Element A. Cut dress body None 30 B. Cut sleeves None 40 C. Cut collar None 20 D. Sew dress body A 100 E. Sew sleeves to dress B, D 25 F. Sew collar to dress C, D 50 G. Hem dress D, E, F 50 H. Package dress G 90