Marketing is a force multiplier – if you apply it to a business that has been around for ten years and been able to work out a lot of kinks in sales and production, then it can cause an enormous boom in revenue. However, a new business that is still working on issues and may not have a polished product and sales force yet will have the marketing multiply a much smaller figure. Marketing is obviously still necessary, but if the sales force can only convert at 1% rather than 15% that obviously will majorly impact the revenue brought in.