given a positive discount rate, for a project that requires a lump sum capital expenditure at the very beginning and no additional capital expenditure during the project life, which of the following statements is false?

a. accounting break-even of quantity sold always results in negative NPV.

b. accounting break-even of quantity sold generates no tax liability.

c. the economic break-even level of quantity sold is always greater than the accounting break-even level of quantity sold.

d. none of the above