In Excel, the variable pv stands for a bond's par value

People do not notice all of the advertising messages to which they are exposed each day

Indicate whether the statement is true or false

In which of the following circumstances is picketing unlawful?

A) when picketing obstructs customers from entering the employer's place of business B) when picketing is carried out against the struck employer's product C) when picketing is carried out against the neutral employer D) when the employer carries out a "lockout" against the picketers at work premises