Wedding Reception Food for 200?

I am catering a wedding of 200 and not sure of how much to purchase of each item since there multiple.

The items are: chicken tenders, barbecue smokies, ham and pimento cheese tortilla pinwheels, turkey and cream cheese chive tortilla pinwheels, smooth chicken salad pinwheels, strawberry cream cheese pinwheels, pineapple cream cheese pinwheels, cheese, pepperoni and cracker platter, fruit platter, watermelon, oranges, pineapples, kiwi, strawberries, vegetable cups w/celery n carrots. chips, spinach dip, I will also need honey mustard sauce, ranch sauce, barbecue sauce, etc., black and green olives, nuts and mints, tea, and perhaps some kind of pasta.

By Linda