During 2003, the number of people in the city of M who received unemployment compensation from the government doubled, even though the number of people in M who did not have jobs and qualified for unemployment remained unchanged. Which one of the following, if true, most helps to resolve the apparent discrepancy in the information above? ['During 2003, the number of applicants for unemployment assistance in M who were rejected on the basis that they had not been unemployed for a long enough period of time was approximately the same as it had been in 2002.', 'During 2003, many residents of a nearby city lost their jobs and moved to M in search of work.', "During 2003, M's program of rent assistance for low-income tenants advertised widely, and then informed all applicants about other assistance programs for which they would be qualified.", 'In 2002, the M social service department estimated the number of people in M who might be eligible for the unemployment program, and then informed the M City Council of the total amount of assistance likely to be needed.']