While completing the cost estimating for a particular activity in your project, several members of your team disagree over the estimate to do the work. After a discussion with the team, you determine that the most likely cost of the activity will be

$50, the optimistic cost of the activity will be $30, and the pessimistic cost will be $70.

Using the three-point estimating technique, what is the expected cost of the activity?

A: $150 B: $25 C: $70 D: $50