The average time to handle a call in a call center has a specification of 6 i 1.25 minutes. The loss resulting from a mishandled call is 510. Five consecutive calls were drawn from the process and the results, in minutes, are as follows: 7.3 6.6 6.2 4.3 6.7 1. According to the conventional perspective, the quality loss per call = 2. The value of k in the Taguchi loss function = 3. The Quality loss per call according to the Taguchi perspective =