In 2019, what is the percentage constitution of finished goods among the total inventory amount?
{"Raw Materials and Component Parts": {"2019": 11600, "2018": 16206}, "Work in Progress": {"2019": 8896, "2018": 8216}, "Finished Goods": {"2019": 2860, "2018": 1764}, "": {"2019": 23356, "2018": 26186}}
finished_goods_2019 = df["Finished Goods"]["2019"]
total_2019 = df[""]["2019"]
answer = finished_goods_2019 / total_2019 * 100.0