21 you discover the enterol should you treat the begin production of the Treat it as a cash outflow three years ago for the current projects in the fute value As a cash inflow since the formula has obviously increased in value over the years As a sunk cost since the R&D expenditure has no bearing on today's decision. The full $125,000 should be treated as an initial investment today. 21 you discover the enterol should you treat the begin production of the Treat it as a cash outflow three years ago for the current projects in the fute value As a cash inflow since the formula has obviously increased in value over the years As a sunk cost since the R&D expenditure has no bearing on today's decision. The full $125,000 should be treated as an initial investment today