QUESTION $10$

In the below code, identify the correct instantiation of a new class object.

class Subtract:

def init$\_($self$,$ num$1,$ num$2)$:

self.num$1=$ num$1$

self.num$2=$ num$2$

def calculate$\_$diff$($self$)$:

diff $=$ self.num$1-$ self.num$2$

print $($diff$)$

a$.$ diff$1=$ Subtract $()$

b$.$ diff$1.$calculate$\_$diff $(25,10)$

c$.$ diffl.calculate$\_$diff$()$

d$.$ diff$1=$ Subtract $(25,10)$