class Employee {
	constructor(name, lastName, salary) {
		this.name = name; 
		this.lastName = lastName; 
    this.salary = salary; 
	}
  
	getSalaryInfo() {
		let self = this;  // use a variable in outer scope to 
											// preserver the value of `this`
    
		function calculateMonthlyWages() {
      return {
        name: self.name + ' ' + self.lastName,
        monthlyWages: self.salary / 12, 
        salary: self.salary
      }
		}
    
		return calculateMonthlyWages(); 
	}
}


const alexis = new Employee('Alexis', 'Rose', 500_000)
console.log(alexis.getSalaryInfo());