Tóm tắt nội dung: C H A P T E R 8 Counting the cost – summarizing money variables over time Chapter objectives This chapter will help you to: ■ ■ ■ ■ ■ ■ employ simple and aggregate index numbers to measure price changes over time work out weighted aggregate price indices: Laspeyre and Paasche indices adjust figures for the effects of inflation using price indices apply methods of investment appraisal: accounting rate of return, payback period,