This research was conducted at Mrs Siti's fried tofu business which is located at Jln Suka Karya, Sialangmunggu Village, Tuah Madani District, Pekanbaru City. The purpose of this study was to analyze production costs, income and marketing of Mrs Siti's fried tofu business. The results of the study show that the income earned by the business is IDR 980,000 for large tofu and IDR 1,080,000 for sm…