Size of the following union (assume size of int=2; size of float=4 and size of char = 1)

1.10 Size of the following union (assume size of int=2; size of float=4 and size of char = 1):
union Jabb
{
int a;
float b;
char c;
};
A) 2
B) 4
C) 1
D) 7