3. Assume that the instructions executed by the processor are broke down as follows: R-type: 45% BEQ: 20% LW: 20% sw: 15% a. Assume that are no stalls or hazards, what is the utilization of the data memory by instructions in percentage (percentage of instructions that use data memory)? Assuming there are no stalls or hazards, what is the utilization of the write-register port of the register file in percentage? b