I’d hold out for 200 dollars cash AND ice cream coupons.
https://www.80-lower.com/products/80-lowers-fire-safe-marked-10-pack/
10-pack of 80% lowers for $580. Finish them (much faster as a batch), and you legally have 10 “assault weapons.” It would be fun to collect $3k . . . or see how those weasels talk their way out of that one.