public SalesRecord(int id, DateTime date, double amount, SaleStatus status, Sellers seller) { Id = id; Date = date; Amount = amount; Status = status; Seller = seller; }
public void AddSeller(Sellers sellers) { Sellers.Add(sellers); }
public double TotalSales(DateTime initial, DateTime final) { return(Sellers.Sum(seller => seller.TotalSales(initial, final))); }
public void AddSeller(Seller seller) => Sellers.Add(seller);