Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 62. The information for the tasks is as follows: Fig. 1 Task Performance Time (mins) Predecessors A 1 BCDEFGH 3 A 2 B 4 B 1 C, D 3 A 2 F 6 G 1 4 E, H | a-b) The correct precedence relationship with one of the possible assignments of tasks using the "ranked positioned weight" to workstations is shown in c) The efficiency of the assembly line with 5 workstations shown in the figure chosen above= % (enter your response as a percentage rounded to one decimal place). d) The idle time for the assembly line per cycle: whole number). = minute(s) (enter your response as a B Fig. 2 E B H Fig. 3 E B