This assignment delves into the critical relationship between strategic management accounting and business strategy, drawing upon seminal works by Tenucci (2010), Scapens & Bromwich (2010), Vaivio & Sirén (2010), and Macintosh & Quattrone (2010). It explores how management accounting systems influence companies' performance in uncertain environments (Ajibolade et al., 2010) and the role of professional accountants in SMEs (Nandan, 2010). Additionally, it examines environmental management accounting's impact on supply chain management (Burritt et al., 2011) and its interplay with environmental reporting (Bouten & Hoozée, 2013). The assignment encourages a comprehensive analysis of marginal cost concepts using the Business Dictionary definition.