A full GRCS-style internal audit project covering the entire e-commerce checkout lifecycle. Includes end-to-end process mapping, a 39-risk register, control gap analysis, audit checklist, risk heatmap, recommendations, and a 1-page executive summary. Designed to demonstrate real consulting skills.

This project simulates a bank’s queuing system using R to evaluate customer wait times, queue lengths, and server utilization. It compares the current two-teller setup with a proposed three-teller system to assess efficiency improvements.