3. According to the following diagram, write out the corresponding assembly source code and the cycle number when the branch decision is made. How many instructions should be flushed if the pipelined processor supporting branch delay slot? (Total 10 points) 1 2 3 4 5 5 6 7 8 00 9 Time (cycles) $t1 beg IM RF St2 DM RF SO and IM $t RF $s2 DM RF 1 1- HE 121- 1 la 10 RE 101 - IM $84 Ss01 DM RF Ssor RF $35 $t2 IM DM RF Within.............The..................Seal................Line..... Number $s2 St3 IM | DM RF Ss3 1241 DBF RF