Considering investing in a complete portfolio of T-bills and an index fund. Ellinax)=13,5%, ndx=20%, Elrom=5%. What are the utility levels one (with an A=3) could achieve with the following combinations of bills and the Index fund? W 0.0 0.2 04 0,6 0.8 W 1.0 0.8 0,6 0.4 0.2 0.0 10