Perform a theoretical break$-$even analysis on what perspective sales could be at the tribe's cafe. Considering there is $180$ office workers plus an additional $30$ visitors to the tribal administration building per day. Identify what you are basing your assumptions and averages on$.$

$\backslash$table$[[,$Daily sales,$\backslash$table$[[$Weekly$],[$sales$]],\backslash$table$[[$Annual$],[$sales$]],,$Costs,,$\backslash$table$[[$Breakeven$],[$point:$]]],[,,,,,,,],[,,,,,,,],[,,,,,,,],[,,,,,,,],[,,,,,,,],[,,,,,,,],[,,,,,,,]]$