$75.00 for 2 pulls w/ A/F wideband. $90.00 for 3 pulls w/ no A/F, and $120 for 3 pulls w/ A/F.
As for the corrected numbers being low... the car is supposed to have 385 hp stock and 343/.85 = 403.5 at the flywheel. Also, the car had no airflow over it. At speed the vortex will pick up more air.