// Generates report for all facilities purchased
        public override string ToString()
        {
            StringBuilder report = new StringBuilder();

            GrazingFields.ForEach(gf => report.Append(gf));

            PlowedFields.ForEach(pf => report.Append(pf));

            NaturalFields.ForEach(nf => report.Append(nf));

            ChickenHouse.ForEach(ch => report.Append(ch));

            DuckHouses.ForEach(dh => report.Append(dh));

            return(report.ToString());
        }