Customer Service Planning with Matze — English written self-study. Eight lessons with exercises and worked answers; 11-page coursebook; 13-page fillable workbook with 65 fields; offline lessons and local decision workshop; five practice files including a four-tab XLSX planning workbook, fictional five-day CSV, spreadsheet guide, worked decision brief and quality/action cases. Reconcile backlog, calculate weighted handling time, review quality samples and plan aggregate asynchronous workload. Spreadsheet application supporting XLSX, PDF form reader, computer and basic percentages required. No videos, coaching, certification, software licence, telephone queue simulation or individual staffing advice. One-time the price shown in the order summary; selected currency and applicable tax treatment shown at checkout. 60-day return policy including US, UK and Ireland. Support: info@einfachhaltbar.de.