Oscar and Julie Ashton are celebrating their 15th anniversary by having a reception at a local reception hall. They have budgeted $2,500 for their reception. If the reception hall charges a $60 cleanup fee plus $37 per person, find the greatest number of people they may invite and still stay within their budget. 
 
a) 65 people 
b) 66 people 
c) 67 people 
d) 68 people