The duration and resource usage for each activity are showed in the table below.

Activity	Predecessor	Total Processing Time (days)	# of painters required/day
A	---	0.5	1
B	---	1	1
C	A,B	1	1
D	C	1	1

Assume the maximum number of painters is 1. Level the resources by following the rule "Delay the activity with the most positive slack first". Please indicate the schedule of acitivity B after leveling recources (Suppose the project begins on day 1).

Answer Options:

In the morning of Day 2

The whole day of Day 1

In the morning of Day 1

The whole day of Day 2