For years there was a question as to whether this gig happened, but it did, having been added late. Per Sue, capacity was 1,000, tix $9.50, so GP $9,500. Contract guaranteed the band $7,000 versus 70% of the gross receipts.
ref: "Show Files: Jerry Garcia Band – Fall Tour 1982," Grateful Dead Archive, Special Collections, UC Santa Cruz, MS.332.ser. 3, box 3, folder 37.