This course covers Operating Surplus Estimation Logic, which involves establishing frameworks for estimating the operating surplus available for servicing working capital obligations and ongoing credit exposures within Working Capital – Consumer Credit workflows. It focuses on assessing affordability, repayment sustainability, and liquidity resilience by aligning surplus estimation methodologies with borrower cash-flow patterns, utilization behavior, and stress assumptions. The course evaluates key dimensions such as affordability assumptions, surplus estimation, limit-to-cash-flow calibration, and utilization monitoring, with each requiring independent validation and documented rationale before any credit action is finalized. It is distinct from broader portfolio diversification strategies, as it focuses on borrower-level affordability assessment, operating surplus analysis, and exposure-specific servicing capacity evaluation, rather than enterprise-wide diversification or strategic portfolio allocation frameworks. Within Affordability, Surplus & Stress Buffers, the credit analyst executes the assessment, completes documentation, and flags exceptions for manager review within Working Capital – Consumer Credit credit files, shaping escalation scope and credit committee priorities.