Nadia Algar is the overworked IT resource person for her department. In the next round of computer purchases, she is determined to recommend a vendor who does a better job of documenting possible errors in the system and whose customer service line is more responsive to the needs of her colleagues. Nadia compiled the following data over an eight-week observation period. Assuming 40 hours per week, which computer vendor should Nadiapursue?

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Mean Time to Reach Mean Time to Fix Computer Number of Customer Service Problem Vendor JCN Bell Comtron lHours 3.0 2.0 1.0 Hours 20 1.0 0.5 Problems 50 100 250