Excel SIM: Comparison of Capital Budgeting Methods Determine the payback period for an investment. Evaluate the acceptability of an investment project using the net present value method. Evaluate the acceptability of an investment project using the internal rate of return method. Compute the simple rate of return for an investment.

The business cycle is the periodic but irregular up-and-down movement in economic activity, measured by fluctuations in real gross domestic product (gdp) and other macroeconomic variables. a business cycle is typically characterized by four phases—recession, recovery, growth, and decline—that repeat themselves over time. economists note, however, that complete business cycles vary in length. the duration of business cycles can be anywhere from about two to twelve years, with most cycles averaging six years in length. some business analysts use the business cycle model and terminology to study and explain fluctuations in business inventory and other individual elements of corporate operations. but the term "business cycle" is still primarily associated with larger (industry-wide, regional, national, or even international) business trends.

Gamma rays  and beta particles are all  used  to treat internal organs. x-rays  are produced by firing electrons at a metal target and  gamma rays  are emitted by the nucleus of radioactive atoms.  gamma rays  are  used  to kill cancer cells, and to  medical  equipment and in radioactive tracers.

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Answerwear high- visibility reflective clothing;