Melissa Petersen is a quality control specialist employed by Fenway Racing. Fenway Racing manufactures custom race cars to exact specifications of drivers. Melissa's job is to perform final testing of each car's engine and make final performance related adjustments. Some adjustments involve simple recalibration and consume only indirect materials like lubricants, tape, washers, and screws. Occasionally, a major adjustment is needed, and requires an expensive direct material component. Below is Melissa