Match each of the following descriptions with one of the terms above. (a) The difference between total actual costs and total standard costs, (b) An efficient level of performance that is attainable under expected operating conditions. (c) An approach that incorporates financial and nonfinancial measures in an integrated system that links performance measurement and a company's strategic goals. (d) A viewpoint employed in the balanced scorecard to evaluate how well a company develops and retains its employees. (e) An evaluation tool that is not based on dollars. (f) A viewpoint employed in the balanced scorecard to evaluate the company from the perspective of those people who buy its products or services. (g) An optimum level of performance under perfect operating conditions. (h) A viewpoint employed in the balanced scorecard to evaluate the efficiency and effectiveness of the company's value chain