Concept:A trade discount is deducted at the time of sale, and the document that shows this sale is an invoice.
Explanation:Ode sold goods to Ade for Le 30,000 and allowed a
7.5% discount.
This discount is a trade discount, so it is deducted from the list price immediately.
Ode records the transaction on an invoice issued to Ade.
The invoice shows the gross amount, the discount allowed, and the net amount to be paid.
A receipt is issued only after payment is received, a waybill is for goods in transit, and a voucher is an internal document.
Therefore, the correct document for this transaction is the invoice.
Answer:B. Invoice.