Girish can paint a picture in 4 days when he works for 8 hours per day. Due to illness, he could work for only 6 hours per day and was required to finish painting 7 such pictures. How many days would Girish take to finish the work?

A

28

B

$$37\frac{1}{3}$$

C

$$39\frac{2}{5}$$

D

32