What is deferred revenue? What is the link between realized revenue and deferred revenue? Give numerical examples to illustrate your points.

How do foreign currency exchange rates affect revenue? Give numerical examples to prove your points.

Most of the receivables are expected to be received in sometime later dates. Then, what is the problem a company may encounter if it cannot collect the money from the receivable? What measures does a firm can take to reduce possible losses?

What are the most common operating expenses? Show your understanding why they are important for the companys operations and performance.