问题如下：
Peter uses a market growth and marketshare approach to model individual product lines or business segments, and then aggregate the individual projections to arrive at a forecast for the overall company because the sum of forecast segment revenue equals the segment market size multiplied by the market share for all segments.According to the information above, which of the following approaches does peter use?
选项：
A.Top-down analysis
Bottom-up analysis
Hybrid analysis
解释：
C is correct. Hybrid analysis combines elements of both top-down and bottom-up analysis.
这里不是把一个公司分开了很多各不同的业务模块分析吗? 哪里体现了TOP DOWN??
