- Records
- All 18 source records were retained in the cleaned table.
- Dates
- Mixed date formats were standardised into valid Excel dates and organised consistently across 2025.
- Names
- Customer and product spelling / capitalisation were corrected (e.g. Cel C → Cell C, HUAWEI/Huauwei → Huawei, Iphone → iPhone).
- Quantities
- Text and mixed-format quantities were converted to numbers: Twenty → 20, Eleven → 11, Fourty → 40, Seventeen → 17, 15,00/13,00 → whole numbers.
- Prices & discounts
- Prices were converted to numeric Rand values (12K → R12 000); zero / 10 percent / blank discounts were standardised as percentages.
- Totals
- Invalid or inconsistent totals, including #VALUE! results, were recalculated as Quantity × Unit Price × (1 − Discount).
- Statuses
- Status labels were standardised to Paid or Pending, replacing variations such as pd, done, Done and Invoiced.