_ 6. Carty, Leckey, Trevino & Florrnan, Inc. has three departments. One is a tutoring department, providing quality studying support to discriminating students. If the tutoring department is closed, the general manager will not be affected because his/her services would still be needed by the remaining two departments. If all operations cease, however, this manager will be laid-off. Which of the following is the primary lesson to be learned from this scenario? a. Some sunk costs can be avoided (and would therefore be relevant). b. Opportunity costs are never relevant. c. The relevance of costs is context sensitive. (1. Quantitative information must be precise and accurate in order to be relevant. e. Qualitative information need not be precise because it is never relevant