PLEASE HELP WITHIN THE NEXT 5 MINUTES!!!!!??????

When a group of colleagues discussed where their annual retreat should takeplace, they found that of all thecolleagues:

28 would not go to apark,

23 would not go to abeach,

24 would not go to acottage,

10 would go to neither a park nor abeach,

6 would go to neither a beach nor acottage,

8 would go to neither a park nor acottage,

4 would not go to a park or a beach or acottage, and

7 were willing to go to all three places. What is the total number of colleagues in thegroup?

There are ___

colleagues in the group.