Stock #1 will have a return of 11% in an economic boom and -19% in a bust. Stock #2 will have a return of 16% in a boom and -22% in a bust. Stock #3 will have a return of -7% in a boom and 13% in a bust. You put 42% of your money in Stock #1, 38% in Stock #2, and the rest in Stock #3. What will be the return on the entire portfolio in a boom?

my professor doesnt give the state of economy. He just wants us to solve with what were given