巨人网络单从Key Stats & Ratios上看，比盛大更有潜力

Quarterly(Jun \'07) Annual(2006) Annual(TTM)
Net Profit Margin 71.38% 59.88% 70.39%
Operating Margin 71.23% 59.62% 70.19%
EBITD Margin - 60.52% -
Return on Average Assets - 92.16% -
Return on Average Equity - 179.44% -
Employees 797 - -

那位高人在开盘前，大胆预测一下，$12-$14 这个价位买进怎么样？市盈率应该是多少，谢谢