Sun Microsystems's supplier, Wolfconn, has a performance matrix total score of 90, which evaluates its quality, leadtime, technology and support. In addition, Wolfconn's actual price is on average 9% above the target price, which corresponds to price index of 0.8 in Sun's matrix. Another supplier, Tomsung, has a performance matrix total score of 100 and always meets the target price (has price index 1). How much more expensive is Wolfconn than Tomsung if TCOO for Sun is considered 1. 9% 2. 10% 3. 28% 4. 32% 5. None of the above