On 1 July 2009,Windermere Ltd Grants 200 Share Options to Each

On 1 July 2009,Windermere Ltd grants 200 share options to each of its 100 employees.The share option is conditional upon the employee working for the entity when the share option vests and the entity achieving the following non-market vesting conditions:
$$\begin{array} { | l | l | } \hline \text { Year ending } 30 \text { June } & { \text { Condition } } \\\hline 2010 & \text { If earnings have increased by } > 18 \% \\\hline 2011 & \begin{array} { l } \text { If earnings have increased by } > 13 \% \text { averaged across } \\\text { the 2 year period }\end{array} \\\hline 2012 & \begin{array} { l } \text { If earnings have increased by at least } 10 \% \text { averaged } \\\text { across the 3 year period }\end{array} \\\hline\end{array}$$
If the employee resigns before the share option vests,the share option is forfeited.

On 30 June 2011,based on probability estimates how many employees are expected to be employed by Windermere Ltd when the share option vests?

A) 72
B) 75
C) 78
D) 82