book-discounts-reduce-price.md

let book = {
    author: 'Daniel Kahneman',
    title: 'Thinking, Fast And Slow',
    yearPublished: 2012,
    bestseller: false,
    pricePerCountry:
        {
            'Australia': {amount: 20.0, currency: 'AUD'},
            'India': {amount: 500, currency: 'INR'},
            'United States': {amount: 16.5, currency: 'USD'}
        }
};

Exercise

Given the book structure above, if the book was published before 2017 and is not a bestseller, reduce the Indian price by 10% and the United States price by 20%.

Hint: Use an if statement and remember to draw the object diagram.