Anu can complete a piece of work in 22 days. Shama is 60% more efficient than Anu. How many days does Shama alone take to complete the same piece of work?

A

$$36\frac{2}{3}$$

B

$$35\frac{1}{3}$$

C

$$13\frac{1}{5}$$

D

$$13\frac{3}{4}$$