Input: Initial fee $50,000, royalty 5%, marketing fund 0%, projected revenue $500,000, projected over 5 years.
Result: Annual royalty $25,000, total annual fees $25,000, total investment over five years $175,000, ongoing fees 5.00% of revenue. Three-quarters of the five-year cost is recurring rather than upfront.
Input: Initial fee $35,000, royalty 6%, marketing fund 0%, projected revenue $420,000, projected over 10 years.
Result: Annual royalty $25,200, total investment over ten years $287,000, ongoing fees 6.00% of revenue. Over a decade the royalty stream is more than seven times the entry fee.