On October 1, 2024, Alpha Corporation and various other companies engaged in the following transactions:

1. Alpha Corporation purchased $7,000 of office furniture on credit from Beta Furnishings.
2. Beta Furnishings granted a $1,200 discount to Alpha Corporation for early payment of the invoice from Transaction 1.
3. Gamma Enterprises paid $9,500 in cash for consulting services provided by Delta Consultants.
4. Delta Consultants provided $4,000 worth of consulting services to Epsilon Solutions on credit.
5. Epsilon Solutions returned $1,500 worth of unused consulting hours to Delta Consultants.
6. Zeta Industries sold equipment for $11,000 cash to Theta Corporation.
7. Theta Corporation paid $2,800 for advertising services provided by Iota Marketing.
8. Iota Marketing granted a $500 discount to Theta Corporation for prompt payment of the advertising invoice.
9. Kappa Ventures received a $6,000 loan from Lambda Bank.
10. Lambda Bank charged $400 as interest on the loan provided to Kappa Ventures.

Please journalize these transactions for the respective companies involved.