Estimates from the NYT article seem to be around $2,000 per cadaver but the numbers appear to be disputed.
"Imports of the weird" [Piers]
"Imported cadavers and human remains sparked quite a discussion in the office. A key part of most medical curricula, Gross Anatomy requires that students work on real human remains - and a good number of those cadavers enter the United States from abroad - in our records the supply seems to come mostly from the Caribbean."
See also this article from the New York Times: "The Logistics of the Cadaver Supply Business."