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						 Read the facts and the question and then choose the best answer. 
						A writes to B on Monday saying: "I'll sell you 100 slabs of beer at 20% less than my normal price but you must fax or email your acceptance of this offer within the next three days." 
						B attempts to fax his acceptance to A late on Wednesday, but A's fax machine is out of order and the letter of acceptance is only successfully transmitted on Friday.  
						In these circumstances, has B validly accepted A's offer? 
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