please explain how you got the answer

Brief Exercise 6-1

Recording Sales Discounts

On July 1, Pam's Pizza Supply sold 100 pounds of pepperoni for $800 on account to a local pizza parlor. The terms of the sale were 2/10, n/30. The pizza parlor pays Pam's Pizza Supply in full on July 7.

Required: Prepare the entries that Pam would make to record the sale and the receipt of the payment. For a compound transaction, if an amount box does not require an entry, leave it as blank.

July 1

July 7

This was my previously answer and I got it wrong

Journal Entries Particulars Entries at the time of Sale: Accounts receivable Amount (DR)Amount (CR) 80000 To Sales revenue 80000 Entries at the time ofreceipt of payment: Cash Sales Discount 1600 78400 To Accounts receivable 80000