$[4]$ Answer the following questions using the table below. Note that I$-$mem and D$-$mem are

instruction memory and data memory, respectively.

a$.[1]$ What is the clock cycle time if the only thing we need to do in a processor is

fetch consecutive instructions?

b$.[1]$ What is the clock cycle time of the BEQ instruction?

c$.[1]$ What is the clock cycle time of sw instruction?

d$.[1]$ What is the clock cycle time if the only type of instructions we need to support

are R$-$Type instructions?