30 men can complete a work in 12 days. After 6 days, 24 more men joined them. How many days will they now take to complete the remaining work?

A

$$3\frac{1}{3}$$ days

B

$$3\frac{2}{3}$$ days

C

$$3\frac{1}{2}$$ days

D

$$2\frac{1}{3}$$ days