A customer is interested in buying 100 free size shirts, 20 in red, 20 in black,20 in blue, 20 in grey, and 20 in white. You're able to give a special price of 120 Baht a unit. Also,you can ship them for free. The special'price is good within this month only. As terms of payment,you can only accept cash or cashier check. There will also be a 7% VAT.