The average monthly salary of all the employees in a factory is Rs 8840. If the average salary of all the officers is Rs 15000 and that of the remaining employees is Rs 8000, then what is the percentage of the officers among the employees?

A

$$10\frac{5}{7}$$

B

$$9\frac{5}{7}$$

C

$$8\frac{1}{3}$$

D

$$11\frac{2}{3}$$