The McMahon Corporate dinner event is underway. The banquet manager is counding the number of McMahon guests in the function room. What is the best way for her to prevent the client from disputing the guest count when he receives the catering bill?

Serve only the guaranteed number of dinner plates

Have a banquet supervisor perform a second guest count

Place a $"$no dispute" clause on the final billing statement

Ask the client to participate in counting the guests