In this paper, we provide an evaluation model for marketable quality and profitability. We define the marketable quality as a qualitative aspect of profitability. In general, in some cases there is a trade off relation between marketable quality and profitability, but in other cases there is not. Therefore, it is an important problem to be considered how to increase the profitability by enhancing marketable quality. We apply the real values of some leading manufacturing corporations in Japan to our proposed model to analyze its accuracy. From the analysis, we found that theoretical and real standard values of the marketable quality indicator were both 0.6 (that is 60%). This shows that the proposed model has a good approximation. From the fair relation of network service providers and consumers, we present the network pricing guidelines for the maximum profitability while enhancing the marketable quality
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