text: // Расставь отсутствующие this в методах объекта account.
  
  const account = {
      owner: 'Mango',
      balance: 24000,
      discount: 0.1,
      orders: ['order-1', 'order-2', 'order-3'],
      changeDiscount(value) {
          this.discount = value;
      },
      showOrders() {
          return this.orders;
      },
      addOrder(cost, order) {
          this.balance -= cost;
          this.orders.push(this.order);
      },
  };
  
  account.changeDiscount(0.15);
  console.log(account.discount); // 0.15
  
  console.table(account.showOrders()); // ['order-1', 'order-2', 'order-3']
  
  account.addOrder(5000, 'order-4');
  console.log(account.balance); // 19000
  console.table(account.showOrders()); // ['order-1', 'order-2', 'order-3', 'order-4']  