Which of the following is (are) required for a lateral projection of the skull?

1. The IOML is parallel to the IR.
2. The MSP is parallel to the IR.
3. The CR enters ¾ inch superior and anterior to the EAM.

A 1 only

B 1 and 2 only

C 2 and 3 only

D 1, 2, and 3