What result will console.log output when calling getFullName on the created object

Predict what will be printed to the console after executing the following JavaScript code.

 function Person(firstName, lastName) {
    this.firstName = firstName;
    this.lastName = lastName;

}

const member = new Person('Example1', 'Example2');
Person.getFullName = function () {
    return `${this.firstName} ${this.lastName}`;
}

console.log(member.getFullName());
// ??