QUESTION 2 A Board of trustees of EXCEL Holding has '10 members. Every year, new committees consisting of a chair, vice chair, secretary and three committees are assigned through election. After electing the chair, vice chair and secretary, they will elect another 3-person committee. a. When the board elects the 3 main committees (chairperson, vice chairperson, and secretary), how many different groups of candidates are possible? {2 mark) b. How many different 3-perscn committee are possible after the main committees (chairperson, vice chairperson, and secretary) were elected? {2 mark) c. How many different groups of candidates are possible consisting of a chair, vice chair, secretary and three committees to be elected together? {2 mark)