b$.$ Calculate the physical address for the following instructions. Assume DS $=1000H,SS=2000H,ES=3000H,BP=0100H,SI=0200H,DI=0300H,Bx=0700H,$ values $=0500H.$

$($i$)$ MOV ES :$[1000H],20H$

$($ii$)$ MOV CX$,$ Values $[$BX$][$DI$]$

$($iii$)$ ADD AL $BP+80H$

$($iv$)$ MOV AX$,[$BX$][$DI$]$