given 24 identical coins, and 8 distinct bags. How many ways are there to allocate these 24 coins in 8 bags (need to allocate all coins in bags)? You can allocate 0 coins for any bag.

A: $2^{24}$

B: $2^{48}$

C: $2^{72}$

D: $2^{144}$

E: None of above