In the context of the Benjamini-Hochberg (BH) procedure, suppose we conduct $m=10$ tests with sorted p-values $p_{(1)} \le p_{(2)} \le \dots \le p_{(10)}$. To control the FDR at level $\alpha = 0.05$, what is the largest $k$ such that we reject $H_{(1)}, \dots, H_{(k)}$?