A firm examining a new investment proposal:

Group of answer choices

needs to include both sunk costs and taxes in its analysis

needs to include both sunk costs and working capital in its analysis

needs to include both working capital and interest financing costs in its analysis

none of the given answers

needs to include both sunk costs and opportunity costs in its analysis

needs to include each of sunk costs, working capital and taxes in its analysis

needs to include each of opportunity costs, working capital and taxes in its analysis