This study aims to analyze the effect of price, quality, and promotion on customer satisfaction at PT Christaraka Sukses Selalu, Medan City. The research method used is a quantitative approach, with data collected from 85 consumers using the Slovin technique to determine the sample. Based on the t-test, price and quality do not have a significant effect on customer satisfaction, with a t-count value smaller than t-table and a significance above 0.05. On the other hand, promotion has a significant effect, with a t-count greater than t-table and a significance of 0.001. The simultaneous F test shows that price, quality, and promotion together have a significant effect on customer satisfaction, with a calculated F value of 53.606 and a significance of 0.001. The Adjusted R Square value of 0.598 indicates that 59.8% of the variation in customer satisfaction can be explained by the variables of price, quality, and promotion, while the remaining 40.2% is influenced by other factors not examined in this study. Keywords: Price, Quality, Customer Satisfaction, Promotion
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