Final answer:
The Chivo Margarita can be customized with alternative flavors such as Strawberry, Blackberry, Pineapple, or Coconut for extra $1.
Step-by-step explanation:
The alternative flavors for The Chivo Margarita that are available for an upcharge of $1 include a) Strawberry or Blackberry and d) Pineapple or Coconut. These additional flavor options allow customers to customize the classic margarita to their taste preference.
Typically, these flavors are used in syrups or purées to enhance the original drink's taste and provide a unique spin on the traditional lime margarita. When you are ordering The Chivo Margarita and looking for something different, you can opt for these flavorful variations for a small added cost.