To run a factor analysis, from the menus choose:

Analyze
Data Reduction
Factor...

Select Long distance last month through Wireless last month and Multiple lines through Electronic billing as analysis variables.

Click Descriptives.

Select Anti-image and KMO and Bartlett's test of sphericity.

Click Continue.

Click Extraction in the Factor Analysis dialog box.

Select Principal axis factoring from the Method list.

Select Scree plot.

Click Continue.

Click Rotation in the Factor Analysis dialog box.

Select Varimax in the Method group.

Select Loading plot(s) in the Display group.

Click Continue.

Click OK in the Factor Analysis dialog box.

These selections produce a solution using Principal axis factoring extraction, which is then given a Varimax rotation.