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One who has borrowed an item from someone and promised to return it by a certain date should do so if it would not be difficult to return it on time and the person from whom one has borrowed it has not given permission to return the item late.
10.
The principle stated above most helps to justify the reasoning in which one of the following arguments?
a
Christopher told Sumi that the book she borrowed from him need not be returned by Friday. Thus, it would be wrong for Sumi to return the book earlier than Friday.
b
Nick promised Wanda that he would return the bicycle he borrowed from her by tomorrow. Thus, if Wanda did not give Nick permission to return it late, he ought to return it by tomorrow even if doing so is difficult.
c
Val should return Ted's car to him today, because although he told her that she could return it late, she promised that she would return it today and it would not be difficult for her to do so.
d
Yesenia borrowed Mike's computer, and he has just requested that she return it to him by tomorrow. Although Yesenia has not promised to return it by tomorrow, she should return it by then since it would not be difficult for her to do so.
e
Oliver borrowed Madeline's guitar from her yesterday and promised to bring it back today. So, since it would be easy for Oliver to return the guitar today, and Madeline has not given him permission to return it late, he should return it today.