Which of the following statement is correct about cost-benefit analysis? O A. Costs and benefits must be put into common units (such as dollars) if they are to be compared. O B. In general, if an action increases a firm's value by providing benefits with a value greater than any costs involved, then that action is not good for the firm's investors. OC. In order for costs and benefits to be compared, they must typically be converted to common units but not converted to the same point in time. OD. A financial manager's decisions should provide benefits to the firm without incurring any costs. Click to select your