What is your terms of payment ?

What is your terms of payment ?

1.T/T:

1)30% deposit in advance, the balance 70% paid before shipment.

2)30% deposit in advance, the balance 70% paid against the copy of B/L.

2.L/C

1) L/C at sight

2) L/C 30days/60days/90days/120ay after sight

3.Upon negotiation