You are given the following information regarding sales and inventory levels over time for your firm:Year: $2019,$ inventory: $$7,869,$ Sales: $$12,502$Year: $2020,$ inventory: $$7,997,$ Sales: $$13,456$Year: $2021,$ inventory: $$9,863,$ Sales: $$17,845$Year: $2022,$ inventory: $$7,135,$ sales: $$15,326$Year: $2023,$ inventory: $$7,749,$ sales: $$14,464$Given this information, determine the level of safety stocks that the firm holds.