Could you please show me how to solves this financial management question attached?

5. Daniela Systems Inc. (DSI) is considering the following independent projects for the coming year: DSI's WACC is 9%, but it adjusts for risk by adding 2% to the WACC for high-risk projects and subtracting 2% for low-risk projects. 1. Which projects should DSI accept if it faces no capital constraints? 2. If DSI can only invest a total of $13 million, which projects should it accept and what would be the dollar size of its capital budget? 3. Suppose DSI can raise additional funds beyond the $13 million, but each new increment (or partial increment) of $5 million of new capital will cause the WACC to increase by 1%. Assuming that DSI uses the same method of risk adjustment, which projects should it now accept and what would be the dollar size of its capital budget