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Consider two different machines, with two different instruction sets, both of which have a clock rate of 200 MHz. The following measurements are recorded on the two machines running a given set of benchmark programs: InstructionCycles per Count (millions) Instruction Instruction Type Machine A Arithmetic and logic Load and store Branch Others 4 4 4 Machine A Arithmetic and logic Load and store Branch Others 10 4 4 a. Determine the effective CPI, MIPS rate, and execution time for each machine. b. Comment on the results