Azul recently bought a bond that doesn't pay coupon payments. He paid $80 for this bond with a face value of $100. At maturity, Azul will earn _________________ percent in interest on this bond.

When Jade made a loan to his brother Floyd, he charged an interest rate of 8 percent and expected inflation to be 4.5 percent.

From this we can guess Jade wanted a real return of ___________ percent.

plz help!!!! due very soon