The Transaction Approach Is Difficult to Use Because

The transaction approach is difficult to use because

A) transactions data are not typically as reliable as the data available for multiples analysis, especially when they are associated with a private firm.
B) transactions involving the purchase or sale of an entire business in an industry tend to occur relatively infrequently and hence the data is not very timely.
C) the terms of the transactions can be difficult to assess.
D) All of the above.