Quick$-$n$-$Serve promises its employees a $10-$percent raise at the end of the year if productivity has increased and management feels it is warranted. Quick$-$n$-$Serve must

Question $38$ options:

do nothing.

give the employees a $10-$percent raise only if produc$$tivity increases

give the employees a $10-$percent raise under any circumstances.

give the employees a $10-$percent raise only at the end of the year