You can expect to pay anywhere from $8-$12.50 for a cocktail and about $5-7 for a beer.
allears has menus, but only some have the actual drinks listed on them. I've copied some below examples from San Angel and Tutto in Epcot.
San Angel
Wild Passion Fruit Margarita - El Mayor Blanco Tequila, passion fruit, fresh lemon juice, and passion fruit foam on top, served with a pasilla-cinnamon salt rim $12.50
Margarita San Angel Inn - Sauza Gold Tequila, and Triple Sec $9.95
Frozen Margarita - Lime, Strawberry, Mango or Fiesta Mix $9.25
Pepino Margarita - El Mayor Blanco Tequila, Gran Torres liqueur, pineapple juice, cucumber, and agave nectar syrup, served in a cactus-lemongrass salt rim $12.50
Premium Top Shelf Margarita - Premium Tequila, Gran Torres Liqueur and Triple Sec $12.50
Top Shelf Margarita - Sauza Gold Tequila, Gran Torres Liqueur, and Triple Sec $10.50
Bohemia or Tecate Beer $6.25
Dos Equis Lager Draft Beer 16 oz. or 20 oz. $6.25/$7.00
Tutto:
Cocktails
Bellini - Prosecco, Peach $10
Rossini - Prosecco, strawberry $10.00
Campari and Soda $10
Frizzante - Campari, mandarin juice, Prosecco $12
Carpano Punt E Mes - Vermouth $10
Aperol Sour Cocktail $12
Prosecco Sparkling Wine - Bottle $40/Glass $8
Pomegranate Cosmopolitan $12
Red Passion - Campari, grapefruit, soda $12
Italian Margherita - Limoncello, Grappa $10
Espresso Coffee Martini $12
Beer
Moretti $5.50
La Rossa - Double malt $8
Corona $5.50
Bud Light $5.50