Software design inc. is considering a number of capital budgeting projects. however, the company is currently constrained by the number of programmers that it employs. the company has 20 programmers on its staff and will not be able to hire any new programmers in the near future. which of the following methods should the company use to choose which projects to accept? a) rank the projects based on payback period and choose the projects with the shortest payback period. b) rank the projects based on npv and choose the projects with the highest npv. c) rank the projects based on irr and choose the projects with the highest irr. d) rank the projects based on the profitability index and choose the projects with the highest profitability index.