Although for the exogenous components this incorporation is direct CB4→ CE4, when dealing with endogenous components, their basic costs are previously integrated to other CB4 before its final incorporation to their corresponding CE4 CB4→CB4→ …→ CE4.
Si bien dicha incorporación es directa CB4→ CE4 para componentes exógenos, en el caso de tratar con componentes endógenos sus costes básicos se integran previamente en otros CB4 antes de su incorporación final a su correspondiente CE4 CB4→ CB4→…→ CE4.