Il. Using the access time information given in the Figure, calculate average memory access time AMAT With only L1 cache AMAT tachel + MRcachesltm With only L1 and L2 cache a. b. c. With all three L1, L2, and L3 cache levels AMAT tache MRcacheif tochez MRcochealtcocheMche()l Reachea(tM Assume miss rate for L1 is 10%, for L2 is 1% and for L3 is 0.1%. Memory CPU memory reference Level 2 Level 3 reference refarencs rederence Size 1000 bytes 64 KB 256 KB 4MB reference 16 08 4-16 TB 5-10 ms Speed: 300 ps 1 ns 10 ns 20 s