The SEC wants to know how much money Amazon makes from Prime (Alison Griswold/Quartz)

Alison Griswold / Quartz
The SEC wants to know how much money Amazon makes from Prime – A lot of the gifts under Americans Christmas trees this year likely arrived courtesy of Amazon Prime. But when Amazon releases its fourth-quarter financial figures Amazon has long been tight-lipped about Prime, but the companys boast earlier this year that it had 100 million paid Prime members drew scrutiny from …