What is the size in bytes for a: $2$ minutes $1080$ p video displayed at $30fps$ and with $24-$bit resolution.

a$.2**60**1080**30**24$ bytes

b$.2**720**1080**30**24$ bytes

c$.2**60**720**1080**30**24$ bytes

d$.2**60**1080**1920**30**24$ bytes