16. Describe the two different positions that a butter knife could be place on a bread plate. 17. Explain the glassware placement for a formal dinner when red wine is served first followed by white wine. 18. When champagne is served with wine, what is the proper placement for the champagne glass? 19. Explain the proper placement for a before-dinner cocktail. 20. Describe the correct placement of a cup and saucer. 21. When a mug is used in place of a cup and saucer, where is the mug placed? 22. What is the procedure to follow when the entre is ready to be served and the guest has not finished the salad? 23. What determines the number of forks, knives, and spoons for a formal dinner setting