A collision repair facility (auto body shop) has the capacity to repair 1100 vehicles per month. Due to scheduled maintenance of their equipment, management feels that they can repair no more than 900 vehicles per month. Last month, two of the employees were absent several days each, and only 700 vehicles were repaired. What is the effective capacity of the repair shop?

a.63.64%

b.900

c.700

d.1100

e.77.78 %