An assembly line is to be designed to operate 13 hours per day and supply a steady demand of 325 units per day. Here are the tasks and their performance times:

TASK	PRECEDING TASKS	PERFORMANCE TIME (SECONDS)	TASK	PRECEDING TASKS	PERFORMANCE TIME (SECONDS)
a		48	g	d	43
b		58	h	e	38
c		73	i	f	23
d	a	63	j	g	33
e	b	88	k	h, i	53
f	c	23	l	j, k	67

Assign tasks to workstations using the longest operating time and calculate the idle time for each workstation. (Leave no cells blank - be certain to enter "0" wherever required.)