题目选项分析

The Breton Symphony Orchestra board of directors and the musicians' union are currently in contract negotiations. The musicians' union is considering proposing a new contract that would demand the following: a 10% increase in musician salaries, the creation of a new financial bonus system for musicians who have been with the orchestra for at least six years, and a limit on the number of rehearsals per week.

The answer to which of the following questions is LEAST important in helping the union to determine whether the board will be inclined to accept the new contract proposal?

【选项】What is the average duration of employment for Breton Symphony Orchestra musicians?