If you were using the cumulative cost variance to select a cost driver from the Integrated Performance Management Report (IPMR) Format 1 below, which would you select as your top cost driver? (IMAGE DESCRIPTION: Sample IPMR Format 1 with cumulative to date cost variance information for the following items: 1.1.1 Frame negative 70.2; 1.1.2 Suspension/Steering negative 663.4; 1.1.3 Power Package negative 710.9; 1.1.6 Body/Cab negative 454.3.)

1.1.2 Suspension/Steering

1.1.3 - Power Package

1.1.6 Body/Cab

1.1.1 Frame