Common Types of Cash Flows Sunk costs costs that have accrued in the past Opportunity costs-costs of lost options Side effects Positive side effects -benefits to other projects Negative side effects costs to other projects ■( Changes in net working capital Financing costs Taxes 55 Common Types of Cash Flows n Sunk costs – costs that have accrued in the past n Opportunity costs – costs of lost options n Side effects q Positive side effects – benefits to other projects q Negative side effects – costs to other projects n Changes in net working capital n Financing costs n Taxes