Please show your work when answering these questions:

There is an audio file that is $11,000$ Hhz$,8$ bit sound, and mono sound, for $30$ seconds. How many bytes are in the file?

There is an audio file that is $44,100$ Hhz$,16$ bit sound, and stereo sound, for $60$ seconds. How many bytes are in the file?

There is an audio file that is $600$x$400$ pixels at $8$ bit color, $15$ frames a second, and $10$ seconds long. How many bytes are in the file?

There is an audio file that is $800$x$500$ pixels at $24$ bit color, $30$ frames a second, and $3$ seconds long. How many bytes are in the file?