There might be wording in the contract that states that you'll be paid the same dollar amount in advance money for all subsequent titles.
Nkwekọrịta nkwekọrịta nke onwe gị nwere ike ịkọwapụta na ego igbu mmadụ hà nhata ọnụ ego mbụ ahụ tinyere ego ọ bụla ọzọ a ga-akwụ ụgwọ na n'elu ego ego.