396 (3rd Cir 1989) (affirming bribery conviction for $100 bribe paid to official of Occupational Health and Safety Administration); United States v. Hsieh Hui Mei Chen, 754 F.2d 817, 822 (9th Cir. 1985) (affirming bribery convictions including $100 bribe to immigration official); United States v. Bishton, 463 F.2d 8