How much do I spend on marketing?

Doctor Frank is diagnosing and prescribing a solution to the following brand-related ailment question from Nick in Canada:“How much do I spend on marketing? People older and wiser than me keep saying 20% should go to marketing”, but is that just 20% of revenue? What is a reasonable marketing spend for my brand?”Please take a piece of brand candy, my free resource guide to do better branding that you can get on your way out at gdayfrank.com/candy  Get full access to Doctor Branding at gdayfrank.substack.com/subscribe