Ability to read and comprehend simple instructions, short correspondence, and memos; write simple correspondence; effectively present information in one-on-one and small group situations to customers, clients, and other employees of the organization; add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals; compute rate, ratio, and percent and to draw and interpret bar graphs; apply common sense understanding to carry out instructions furnished in written, oral, or diagram form; deal with problems involving several concrete variables in standardized situations.