Creditors Account Reconstruction calculates purchases and payments when complete records are not available. Formula: Opening Balance + Purchases - Returns - Discount Received - Cash Paid = Closing Balance. Rearrange to solve: Purchases = Closing Creditors - Opening Creditors + Cash Paid + Discount Received + Returns. Calculation Steps: 1) Note opening creditors from Statement of Affairs, 2) Identify all supplier payments from cash book/bank statement, 3) Note any purchase returns (goods returned to suppliers), 4) Identify discounts received from suppliers, 5) Determine closing creditors from year-end Statement of Affairs. Example: Opening £200 + Purchases X - Returns £30 - Discount £15 - Cash Paid £1,100 = Closing £185. Solve: X = 185 - 200 + 1,100 + 15 + 30 = £1,130 Purchases. Journal Entry: Debit Purchases Account, Credit Creditors Account for calculated purchases. Special Considerations: Purchase returns reduce liability to suppliers, Discounts are allowances from suppliers for early payment, Payments may include settlement of partial outstanding amounts, Some suppliers may be bad creditors (unlikely to claim payment); creditors adjustment may be needed. Documentation: Maintain supplier statements, Track payments and returns separately, Note discount received, Identify aging of payables. Verification: This figure should reconcile with inventory usage in Trading Account. Exam tip: Master the creditors reconstruction formula; practice rearranging to solve for unknown purchases; handle returns and discounts correctly; ensure purchases figure is reasonable for business size.