Supermarkets in Covenant University are with little or no competition. However, the level of profit making is below the optimal. This study attempted to identify the factors responsible for the low level of profit making and apply linear programming algorithm to maximize the profit by identifying the factors with highest contributions in order to improve profit making of these supermarkets. The resulting model was solved with the aid of computer software - LINGO. The results obtained showed that staff turnover and late restocking are two of the factors that significantly contribute to the low-level profit making of the supermarkets.