Which is an example of an internal communication need?

$($A$)$ You read a memo from your supervisor requesting sales figures for the past five years.

$($B$)$ While photocopying reports, you overhear two managers talking about upcoming layoffs.

$($C$)$ Your office is too hot because the air conditioner isn't working properly.

$($D$)$ You notice an intern pocketing money from the petty cash fund.

$($E$)$ You dream about an idea for a new commercial to promote your company's product.