Given the following pipelines and show hazards and indicate for each line what would need to be done in terms of forwarding or bubbles. On one set of boxes draw arrows showing the initial hazards. On another set show forwarding arrows, or where you would add bubbles.

STOR RI, [R6, #4] IM ID EX LDUR R8, [R1, #4] LDUR R7, [R8, #4] ADD R2,R7,R3 SUB R9,R7,R3 STOR RI, [R6, #4] IM ID EX LDUR R8, [R1, #4] LDUR R7, [R8, #4] ADD R2,R7,R3 SUB R9, R7,R3