Huffman, Harry Programmed business mathematics Book 2 : negotiable instruments, pricing, discount, payroll, insurance, and business decision making [Books]. Harry Huffman. - 5th Ed. - New York McGraw-Hill 1986 - Pages: 216 ISBN: 0070309183 0.00 Subjects--Personal Names: Business mathematics -- Problems, exercises, etc. Dewey Class. No.: HF/5694 / HUF