From Fallen London Wiki

You can profit off this for the two weeks the RM buys NWs. Selling 13 NWs puts it at 7.5 EpA, 26 NWs is 6.4 EpA, and 29 NWs (Full Saturation) is probably 5.8 EpA (Not counting zailing bonus).

Edit: But since they patched this, it's moot anyways.