On October 1, 2025, the following transactions occurred:

1. Alpha Corporation purchased $130,000 of inventory on credit from Beta Suppliers.
2. Beta Suppliers granted a $15,000 discount to Alpha Corporation for early payment of the invoice from Transaction 1.
3. Gamma Enterprises paid $70,000 in cash for marketing services provided by Delta Marketing.
4. Delta Marketing provided $30,000 worth of advertising services to Epsilon Solutions on credit.
5. Epsilon Solutions returned $15,000 worth of unused marketing materials to Delta Marketing.
6. Zeta Industries sold equipment for $180,000 cash to Theta Corporation.
7. Theta Corporation paid $25,000 for consulting services provided by Iota Consulting.
8. Iota Consulting granted a $4,000 discount to Theta Corporation for prompt payment of the consulting invoice.
9. Kappa Ventures received a $60,000 loan from Lambda Bank.
10. Lambda Bank charged $6,000 as interest on the loan provided to Kappa Ventures.
11. Xi Corporation sold $120,000 worth of products to Omicron Inc. on credit.
12. Omicron Inc. paid $90,000 in cash to Xi Corporation for products delivered.

Please journalize these transactions for the respective companies involved.