You are the Training manager for an IT organization which sells ERP software. Your organisation has decided to cater to a new industry vertical which is $$Banking$.$ Your HR Manager wants to have a mix of new and old employees in the new sales team. The Recruitment team has been briefed that the new sales executives$$ will have prior experience of selling similar or other IT products in the banking sector. You plan to train these people in your ERP technology as a part of their orientation. You have been given the task of doing a domain $($Banking$)$ specific training for your old sales guys who are proficient at selling the ERP solution but have no clue about the Banking sector. How will you approach this challenge?