Answer:
The answer is given below;
Explanation:
June 10. 
 Inventory    (26,000*.96)                Dr.$24,960
 Accounts Payable                                                   Cr.$24,960
2.If payment is made on June 18,2021
 Accounts Payable           Dr.$24,960
  Bank                                Cr.$24,960
3. If payment is made on July 8,2021
     Inventory  (26,000-24,960) Dr.$1,040
    Accounts Payable                  Cr.$1,040
     Accounts Payable (1,040+24,960) Dr.$26,000
     Bank                                                 Cr.$26,000
As the credit period of 10 days  for discount was not availed, therefore full amount payment will be made.