Monte Carlo Princing Engine: Evaluate price estimate accordance to number of iterations or maximum expected error.

• 蒙特卡罗princing引擎：评估价格估计，按照迭代次数或最高的预期错误。Evaluate the standard deviation of the price estimate； and the minimum/maximum expected price for a given confidence level.；评估的标准偏差的价格估计，和最小/最大，预计价格为某一特定的信心水准下。