Generic royalties, guaranteed consideration and momentum royalties are best defined as A. identical to one another B. payable upon actual sales, payable in advance of sales as a deposit, and payable based upon increases in the licensee's overall sales respectively C. payable based upon increases in the licensee's overall sales, payable in advance of sales as a deposit, and payable upon actual sales respectively D. payable upon actual sales, payable upon increases in the licensee's overall sales, and payable in advance of sales as a deposit respectively