What Projects Are Called Simple Investments

Multiple Choice

What projects are called simple investments?

A) projects that consist of one inflow at the start followed by only one outflow
B) projects that have only two internal rates of return
C) projects that have a stream of revenues at the start followed by a stream of investments
D) projects that have one or more periods of outflows at the start followed by one or more periods of inflows
E) projects that require calculation of the external rate of return