In the case of facing serious cost overruns the project owner should first assess the returns that might be obtained from the project after completion and impact that project will have if it can be able to pay back any amount used in its implementation and if the project will not be able to meet this requirements then the project owner can decide to abandon the project as a whole.Too much is when the cost of the project becomes unmanageable to the sponsor.One decide to give up on a project when they are not able to meet the entire costs and incase there is order by court to do so.Some of the project have just to continue no matter what the costs are since on completion of those project they become important to entire community and are able to encourage people to do business