Journal entry with two or more debits and credits is called "Compound Journal Entry" because either in one transaction or more than one transactions are join together in one journal entry.
what is the entry for an excess payment from customer
Compound journal entry is that in which there is more than one debit and credits or where there is more than one transactions recorded on one journal entry.
There is no journal entry for loan repayment schedule rather journal entry is made when actual payment is done or installment is paid.
Accrual journal entry means that entry the transaction of which is occurred already but payment is not yet received or paid to other party.
Debit down paymentCredit Cash
[Debit] Down payment xxxx [Credit] cash xxxx
Debit advance payment for assetCredit cash / bank
The journal entry to record payment for supplies would involve crediting the cash account and debiting the supplies expense account.
There is no journal entry for unsubscribed capital as this is that portion of capital which is company has offered to shareholders for purchase but nobody has purchased that capital so no transaction incurred and hence no journal entry required.
Debit cash / bankCredit accounts receivable
[Debit] Gratuity [Credit] Cash / bank