问题：
[单选题]Your third-party warehouse has space available for 10,000 pallets and you have 20 forklift operators per 8-hour day for 250 working days a year. If the average trip from receiving to storage to shipping is 10 minutes, how many inventory turns a year could you support for a full warehouse? ( )
A24 turns per year
B20 turns per year
C18 turns per year
D16 turns per year
