Take the following as truth: As stated in section 4.4, the total duration for a PJFF retrofit is estimated to be anywhere from about 21 months to 26 months, including pre-contract effort and start up and commissioning.
Then the following statement: "According to section 4.4, the total duration for a PJFF retrofit is between 21 and 26 months.  " is true, false, or inconclusive?