If ∑n=1∞an\sum_{n=1}^{\infty} a_n∑n=1∞an converges and 0≤bn≤an0 \leq b_n \leq a_n0≤bn≤an for all nnn, what must be true about ∑n=1∞bn\sum_{n=1}^{\infty} b_n∑n=1∞bn?
It diverges
It converges
It may converge or diverge
It converges to 0