How to use: Enter a scenario name, then add drug items to the cart using the table below. For Brand Rx, enter WAC; for all other types, enter any two of (Base price, Markup %, Sale price) and the third auto-fills. Set delivery type and who delivers. Results update live. Use "Load sample" buttons to pre-fill known scenarios, then click "Export as CSV" or "Copy CSV" to capture results for your test spreadsheet.