Let N={1,2,4,8,9,12,15}. Find N. Identify any disjoint sets. Find N. Select the correct choice below

A. N=

B. N=

Identify any disjoint sets. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A. Set N and the set are not disjoint sets because the element(s) { } is/are common to both sets.

B. Set N and the set are disjoint sets because they have no elements in common.