Wholesale Sales Performance Framework

My wholesale stationery business has grown to the point where our sales processes must be data-driven, transparent, and repeatable. I already track monthly fluctuations, but my current seasonality index still struggles to reveal clear patterns, making realistic and achievable sales targets difficult... (Budget: ₹600 - ₹1500 INR, Jobs: Business Analysis, Business Intelligence, Change Management, Data Analysis, Data Visualization, Documentation, Excel, Market Analysis)