The following table summarizes some relevant parameters relating to the memory system: Cache (SRAM) Access Time DRAM Access Time best case (see comment below) DRAM Cycle Time worst case (see comment below) Cache Hit Rate Cache Block Size 20ns 60ns per word 130ns per word 95% 16 words Calculate the average memory access time assuming that the main memory (DRAM) can be operated at its maximum possible speed, i.e. 60ns per word 60% of the time, and at 130ns per word 40% of the time. Hint: Make a tree diagram