Observe the following scenario in ARC UNIVERSITY, taking place in 2013. An office worker was given a task to enter into a table all currently enrolled students at ARC UNIVERSITY. He just started and so far he has correctly entered five records, shown in the table CURRENTLY ENROLLED STUDENTS. There are no errors in any of the five records entered so far. This scenario will be used for the following questions citing table CURRENTLY ENROLLED STUDENTS. If the office worker inserts the record below into the table CURRENTLY ENROLLED STUDENTS, which problem will occur? (Assume that all the dates in the record below are correct.)

Select one:

a. Conformity

b. No data quality problem with this record

c. Uniqueness

d. Accuracy