This document provides instructions for an assignment involving data-driven decision making using Microsoft Excel for a project at Roto Air. It includes four sections requiring calculations and analysis of: 1) communication channels on a project team, 2) benefit-cost ratios of two potential projects, 3) payback periods of the two projects, and 4) net present value of one of the projects. The assignment aims to help students practice quantitative analysis and compare alternative investment options using various metrics.