The document provides a mark scheme for an exam on Business Studies. It outlines the requirements for different exam questions and provides sample answers for each question. For question 1(a), it describes what students need to include in their explanations of portfolio analysis and inventories. For question 1(b), it lists the financial ratios and other factors students should analyze regarding the impact of business expansion on forecast liquidity. For the other questions, it similarly outlines the key points students should cover to receive marks for their responses.