Using the access time information given in the Figure, calculate average memory access time AMAT a. With only L1 cache AMAT = t_cache1 + MR_cache1(t_MM) b. With only L1 and L2 cache AMAT = t_cache1 + MR_cache1 [t_cache2 + MR_cache2(t_MM)] c. With all three L1, L2, and L3 cache levels AMAT = t_cache1 + MR_cache1 {t_cache2 + MR_cache2[t_cache3 + MR_cache3(t_MM)]} Assume miss rate for L1 is 10%, for L2 is 196 and for L3 is 0.1%