If His Office Space at This New Location Has Design

If his office space at this new location has design and effective capacities of 10,000 and 8,000 recruits processed annually,respectively,and he plans to be 90% efficient in his use of this space,how many recruits does he plan to process per year?

A) 9,000
B) 8,000
C) 7,800
D) 7,200
E) 7,000