Question

the term on margin means
paying the balance in full for an asset with no down payment
paying a high - interest rate on a bank or broker loan for an asset
paying the down payment on an asset and borrowing the balance
paying a loan back for an asset only after profiting from a trade

Explanation:

"On margin" is a finance concept where an investor provides a portion (down payment) of the asset's cost and borrows the remaining amount from a broker or lender to purchase the asset.

Answer:

paying the down payment on an asset and borrowing the balance