1. Among 5 types of countertrades , which one has the smallest risk of loss? Why ?

2. In export and import, is the letter of credit payment method the only safest international payment system among other international payment systems? How will it benefit both parties?

3.. Please help me to make 3 questions and answers (discussion q&a) about Managing production, outsourcing, and global logistic (Subject : International bussiness ). Thank you!