Unfair labour practices by management can include all the below except

Select one:

a$.$ discriminating against an employee because the employee is$,$ or is not, a member of a trade union

b$.$ interfering in the formation of a union

c$.$ contributing extensively to the formation of a union

d$.$ intimidating or coercing employees to join or not join a union

e$.$ facilitating a union drive by providing an office or paid leave for union executive