How might you explain to an account manager why she should identify how much a conversion costs when setting up conversion tracking for a client’s Search Network campaign?

Knowing the cost-per-conversion can help her better optimize the campaign’s bids and budgets
Cost-per-conversion data can indicate whether her profit will increase
Knowing the cost-per-conversion can help her better optimize the campaign’s keywords
Cost-per-conversion data can be compared with competitors’ cost-per-conversion data