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In today's modern era, a person has many activities that must be carried out. With the existing conditions, consumers will automatically look for something that can support their daily lives more effectively and efficiently, which if we compare it with the present, one of these things will lead to instant foods. One food that is very popular and trusted among the wider community is instant noodle food products. This research aims to determine and analyze the influence of product quality, price, promotion on purchasing decisions for Indomie brand instant noodles among consumers in Solo. The data collection method was carried out by distributing questionnaires online using Google Form with a total of 56 respondents. The analysis technique used is multiple linear regression using SPSS version 26 software tools. The results obtained in this research show that product quality has no significant influence on purchasing decisions, price has a significant influence on purchasing decisions, and promotions have an influence on purchasing decisions.

One of Indonesia's best coffee-producing regions is located in Sumatra. Sidikalang coffee is one of the best types of coffee produced in the region, which is important information for coffee enthusiasts. Sidikalang is located in Dairi Regency, North Sumatra, where this coffee is grown. The purpose of this research is to describe so that people understand how to maintain and improve the quality of their products. The research method used is a qualitative method by analyzing through journals, books, and scientific sources and also descriptive discourse directly through whatsApp video calls with Mrs. Nurhaini Pasaribu as a robusta coffee farmer in Gurutuha village, Sidikalang, Lae Parira sub-district, Dairi district.. Information regarding the recent increase in Sidikalang coffee prices was obtained from a legitimate source, namely the Regional Executive Board of the Indonesian Coffee Exporters Association (BPD AEKI) as of July 7, 2023, data shows that the price of robusta coffee beans reached around Rp35,000/kg, an increase from the previous price of around Rp30,000/kg two months ago. This price includes coffee both in bean form and after being ground into powder. So, the increase in the selling price of Sidikalang Robusta Coffee is due to its increasingly good quality. Moreover, today's millennial farmers are more painstaking in the selection of seeds, fertilizers, soil and so on. Indeed, before the increase in the price of Robusta Sidikalang coffee, there was a problem with the quality of the coffee.

In the increasingly more business cafe competition in the era of today, every businessman or businessman in the field of beverages and food must be able to maintain the continuity of the business they run. In order to survive and be successful in the field of food and beverages, an entrepreneur must be able to consider from what makes consumers interested in stopping by the café. This study aims to determine the effect of the quality of service, price and atmosphere of café on purchasing decisions (case studies at Nabs Café in Mojokerto City). This study uses a quantitative method with a sample of 100 respondents with the help of data processing IBM SPSS 26. The results of this study indicate that partially the variable service quality has a positive and significant effect on purchasing decisions, partially the price variable has a positive and significant effect on purchasing decisions, partially the atmospheric café variable has a positive and significant effect on purchasing decisions, simultaneously the effect of service quality, price and atmosphere of the café has a positive and significant effect on purchasing decisions (case studies in NABS Café in Mojokerto City).