Peter is the day-manager at a small proprietor-owned restaurant which used to be very successful but has experienced declining revenue ever since a couple of competitors moved to the next block. Most employees, including Peter, live the area and are very keen to have the restaurant succeed. However, the proprietor seemed to be unaware of the threat posed by competitors. Peter and some other long-time employees formed a group to come up with ideas to counter the competition, which they then planned to present to the proprietor. This group would best be described as a(n) __________ team. Sharon and her boss, Melissa, are both members of a "product brainstorming" group at work. Based on her past work experience, as well as the ideas she proposed, Sharon was elected head of this group, whereas Melissa is a (just) a member. This shows ________ in the group. "Chairperson of committee", "project lead of the team", "secretary of the group" are examples of ________. The tendency of some group members to avoid doing work assigned to them, since they are sure that some other group members would do the work eventually, is referred to as ______.Informal, cross-functionalInformal, problem solvingFormal, problem solvingFormal, cross-functional.