Illustrate the other De Morgan's law by selecting the region(s) corresponding to (A ∩ B)c on one copy of the diagram and Ac ∪ Bc on the other. (Select all that apply.)

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.