plz solve!!!

What is the expected value (EV) for the following situation? The firm expects a returns on an investment project of OMR 10,000 if the economy is exceptionally strong with 40% probability, a returns of OMR 4,000 if the economy is normal with 40% probability, and a return of OMR (2,000) if the economy is exceptionally weak with 20% probability, + OMR 5,600 OMR 5,000 OMR 6,000 OMR 5,200