Please make it correct and make it clear.

For the following, assume that no data compression is done; Calculate the

bandwidth necessary for transmitting in real time.

$($a$)4$K Video at a resolution of $3840$x$2160,4$ bytes$/$pixel$,30$ frames$/$second

$($b$)$ Video at a resolution of $720576,1$ bytes$/$pixel$,5$ frames$/$second

$($c$)$ CD$-$ROM music, assuming one CD holds $30$ minutes$$ worth of music and takes

$325$ MB