Solve by completing this problem in Excel. Please show work so I can better understand.

Run Solver by adding an int constraint for the decision variables.

Run Solver by adding a bin constraint for the decision variables. (The bin constraint is the binary constraint; see the screenshot below.)

Is there any difference between the two solutions?

-22 Allied Products has six R\&D projects that are potential candidates for selection during the upcoming fiscal year. The table at the bottom of the page provides the expected net present value (NPV) and capital requirements over the next five years for each project. The table also indicates the planned budget expenditures for the entire R&D program during each of the next five years. Which projects should be selected