A user returned a tablet because of its battery life. Find the probability that it was returned after a year.
	                 Battery life	Monthly service fee	New version	Totals
Within a year	       5%	                    25%	                         60%	  90%
After a year	       1%	                     3%	                          6%	          10%
Totals	               6%	                    28%	                         66%	  100%
Answer choices 
3/5,000
1/6
3/50