=+5. Lincoln Lights is considering hiring one of three software firms to implement a new IT system. Lincoln management has decided to evaluate the firms on three dimensions—reputation, skill level, and price. Weights for each dimension, as well as performance ratings for each of the firms (15 “poor” to 5 5 “excellent”) are shown in the following table:

Software Firm DIMENSION WEIGHT ALTREX TGI LTD.

PC ASSOCIATES Reputation 0.2 3 4 5 Skill level 0.4 5 4 4 Price 0.4 5 3 2