public Person(string name, GENDER_TYPE gender, string tel)
: base()
{
Name = name;
GenderType = gender;
Tel = tel;
}
public Employee(string name, GENDER_TYPE gender, string tel, string post, int basicSalary, int commission)
: base(name, gender, tel)
{
Post = post;
BasicSalary = basicSalary;
Commission = commission;
}
public Customer(string name, GENDER_TYPE gender, string tel, string address, int payment)
: base(name, gender, tel)
{
Address = address;
Payment = payment;
}