Answer and Explanation:
The journal entries are shown below;
On Sept. 1
Purchases $50,000
To Accounts Payable $50,000
(being the purchase is recorded)
On Oct. 1
Accounts Payable $50,000
To Notes Payable $50,000
(being issuance is recorded)
Oct. 1
Cash $50,000
Discount on Notes Payable ($54,000 - $50,000) $4,000
To Notes Payable $54,000
(being the borrowed is recorded)