$($plz write it on a paper and explain every part stepwise$)$

For the following stream data determine

$($a$)$ Pinch point and pinch temperatures

$(7)$

$($b$)$ Minimum hot and cold utilities requirements.

$(1)$

$($c$)$ Heat transfer area required for a MER network using counter current exchanger.

$(12)$

Stream Data:

$\backslash$table$[[120,60,8,H1$