What is Computer

Module: M1-R5: Information Technology Tools and Network Basics

Chapter: Ch1 Computer Intro

🧾 Sales Invoice with GST Calculation

This spreadsheet demonstrates how to create a Sales Invoice in Excel or LibreOffice Calc with automatic GST (Goods and Services Tax) calculation, including CGST, SGST, IGST, and Total Amount.


📊 Sales Invoice Data
Invoice No. Customer Name Product Name Quantity Rate (₹) Total (₹) GST % GST Amount (₹) Final Amount (₹)
INV001Ravi KumarLED TV225000=D2*E218%=F2*18%=F2+G2
INV002Priya SharmaWashing Machine130000=D3*E312%=F3*12%=F3+G3
INV003Neha GuptaAir Conditioner145000=D4*E418%=F4*18%=F4+G4
INV004Karan SinghRefrigerator128000=D5*E512%=F5*12%=F5+G5
INV005Pooja MehtaLaptop255000=D6*E618%=F6*18%=F6+G6
INV006Rohit VermaMobile Phone318000=D7*E712%=F7*12%=F7+G7
INV007Arjun DasTablet125000=D8*E818%=F8*18%=F8+G8

🧮 Explanation of Formulas
  • =D2*E2 → Calculates the total before tax (Quantity × Rate).
  • =F2*18% → Calculates the GST amount (18% of total value).
  • =F2+G2 → Calculates the final invoice amount after adding GST.

💰 CGST and SGST Breakdown (For Intra-State Sales)
Invoice No. Total (₹) CGST (9%) SGST (9%) Final Amount (₹)
INV00150000=B2*9%=B2*9%=B2+C2+D2
INV00345000=B3*9%=B3*9%=B3+C3+D3

IGST (Integrated GST) applies for inter-state sales at a single rate (e.g., 18%).


🔍 Real-World Use

This Sales Invoice sheet helps small businesses and retailers calculate their total, GST, and final billing amount instantly. It can also be used to maintain monthly sales data for accounting and GST filing purposes.

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