Show how forwarding works with the Instruction sequence Sub $2, $1, $3 and $4, $2,$5 or $4, $4, $2 add $9, $4, $2 Fill in the table below for the values of the signals at the indicated cycles, when are at stages as shown, two volues per line, assuming multiplexers inputs are numbered 0,1 and 2 top-down Cycle Sub and i ' add ! or .and i afte add Registers ALUSrc ALU Data memory IMI Forwarding Show how forwarding works with the Instruction sequence Sub $2, $1, $3 and $4, $2,$5 or $4, $4, $2 add $9, $4, $2 Fill in the table below for the values of the signals at the indicated cycles, when are at stages as shown, two volues per line, assuming multiplexers inputs are numbered 0,1 and 2 top-down Cycle Sub and i ' add ! or .and i afte add Registers ALUSrc ALU Data memory IMI Forwarding