 in this case, CSRS system and paid in separately to Social Security, and you've earned the benefits that you would have gotten. Now, WEPF, for example, tries to give you a different replacement rate of income. It's kind of a crude way of accounting for the fact that Social Security formula is supposed to pay out a progressive amount of money. So your replacement rate is higher if you have lower income and lower if you have higher income. It's really a quirk of the Social Security formula that you have these zeros in these years you worked in CSRS. So it looks like you,