If A, B and C work individually, then they can finish a piece of work in 27, 36 and 45 days respectively. How many days are required to complete the task if they work together?

A

$$15\frac{9}{47}$$

B

$$13\frac{11}{47}$$

C

$$11\frac{23}{47}$$

D

$$10\frac{33}{47}$$