Question 1Calculate the product lead time by developing a timeline from the initiation of a purchase order to final product delivery. Identify the main sources that contribute to the lead time. Question 2a)Outline all the possible transportation modes and channels that the company can utilise for shipping within China and the US and between China-US (Note: You can think broadly and beyond companys current distribution network).b)Discuss likelihood of potential problems for each items you mentioned in part (a).c)What would you consider as the most viable option for between China-US transportation. And why? Question 3Discuss how a)specialist logistics companies and b)internet exchanges might help Somerset reduce the lead time and uncertainty. Question 4: a)Discuss how the cultural differences in China and US can potentially affect Somerset's business. b)Discuss potential social issues in Somerset's supply chain that can affect equity and human rights. c)Discuss potential approaches and challanges to achieve a sustainable supply chain for Somerset (both from social and environmental perspectives).