Final answer:
To record the loan transaction in the General Journal, Caldemeyer Co. would make an entry that debits the Loan Receivable account and credits the Cash account for $18,000.
Step-by-step explanation:
The transaction described is a loan made by Caldemeyer Co. to a customer. To record this transaction in the General Journal, Caldemeyer Co. would make the following entry:
Date: January 3
Account: Loan Receivable
Debit: $18,000
Account: Cash
Credit: $18,000
This entry shows that Caldemeyer Co. loaned $18,000 to a customer and received $18,000 in cash as a result.