3

index.ts

// Write the Movie type alias to make the following two variables properly typed
// Make sure that "originalTitle" is optional and "title" is readonly

type BoxOffice = {
    budget: number;
    grossUS: number;
    grossWorldwide: number;
}

type Movie = {
    title: string;
    originalTitle?: string;
    director: string;
    releaseYear: number;
    boxOffice: BoxOffice
}

const dune: Movie = {
  title: "Dune",
  originalTitle: "Dune Part One",
  director: "Denis Villeneuve",
  releaseYear: 2021,
  boxOffice: {
    budget: 165000000,
    grossUS: 108327830,
    grossWorldwide: 400671789,
  },
};

const cats: Movie = {
  title: "Cats",
  director: "Tom Hooper",
  releaseYear: 2019,
  boxOffice: {
    budget: 95000000,
    grossUS: 27166770,
    grossWorldwide: 73833348,
  },
};


// Write a function called getProfit that accepts a single Movie object
// It should return the movie's worldwide gross minus its budget

// For example...
// getProfit(cats) => -21166652

const getProfit = (movie: Movie):number => movie.boxOffice.grossWorldwide - movie.boxOffice.budget;

console.log(getProfit(dune))
console.log(getProfit(cats))