For each instruction in the following assembly code, show the value of the opcode $($op$).$ source register $($rs$),$ and destination register $($rd$)$ fields. For the I$-$type instructions, show the value of the immediate field, and for the R$-$type instructions, show the value of the second source register $(rt).$ And for R$-$type instructions, also show the funct and shamt field.

$($a$)00000000100001010001000000100010$

$($b$)00100010011010100000000000000100$

$($c$)00001000000000000000000100000001$

$($d$)00000010001100101000000000100000$