Given how intensely focused B2B firms tend to be on the bottom line, it's no surprise that marketing budgets are often examined closely.

So, how can B2B marketers weather that scrutiny and ensure they get the funds needed to execute their strategies?

An infographic (below) fromDIGGrowthlooks at effective ways to justify B2B marketing spend.

Specifically, it covers five proven approaches: showing positive ROI, focusing on the channels with the best customer acquisition cost (CAC), showing that marketing is increasing customer lifetime value (CLV), ensuring that branding efforts are impacting long-term perception, and looking at the competition.