Your management team has put together the following projections for a project that your company may be interested in implementing.

Demand	Probability	Annual Cash Flow
High	20%	$100,000,000.00
Average	60%	$40,000,000.00
Low	20%	$10,000,000.00
Project's cost of capital		12%
Life of project		3
Required investment		$75,000,000.00

Use this information to answer the following questions.

1- Use the decision-tree procedure to project the expected standard deviation for the proposed project, ignoring any real option.

[Round the final answer to the nearest cent]